Produced from ammonia and hydrogen fluoride. *Please select more than one item to compare Ammonium Thiocyanate (1762 -95 -4) LD50 oral rat 750 mg/kg ATE US (oral) 750.000 mg/kg body weight ATE US (dermal) 1100.000 mg/kg body weight ATE US (gases) 4500.000 ppmV/4h ATE US (vapors) 11.000 mg/l/4h ATE US (dust, mist) 1.500 mg/l/4h Skin corrosion/irritation : Not classified Serious eye damage/irritation : Not classified Party Other MSDS No. Danger; Hazard Category. By continuing you agree to the use of cookies. 4.80 Ammonium iron (III) sulfate, (NH 4 Fe(SO 4) 2.12H 2 O) 4.81 Indicator solution Prepare by adding 10 ml of nitric acid 1 + 2 (4.13) to 100 ml of a cold saturated water solution of ammonium iron (III) sulfate (4.80). Shipping Information Ammonium thiocyanate is available for shipping throughout the continental United States with one (1) week lead time. Le thiocyanate d'ammonium peut être produit par réaction entre du disulfure de carbone avec de l'ammoniaque. Pipette out 30.0 ml of 0.1 M silver nitrate into a glass-stoppered flask and dilute with 50 ml of water. Journal of the Chinese Chemical Society 1979 , 26 (2) , … This designation includes any isomers and hydrates, as well as any solutions and mixtures containing this substance. The ‘Substance identity’ section is calculated from substance identification information from all ECHA databases. 1molL−1 ammonium thiocyanate solution to each iron solution in sequence, with 2 minutes between each addition. Ammonium thiocyanate is stable in air; however, upon heating it isomerizes to thiourea: Thiourea can be produced from ammonium thiocyanate, but more commonly it is produced by the reaction of hydrogen sulfide with calcium cyanamide in the presence of carbon dioxide. Ammonium thiocyanate is an acutely toxic, colorless crystalline solid that is soluble in water. Le thiocyanate d'ammonium peut être produit par réaction entre du disulfure de carbone avec de l'ammoniaque. Preparation. MSDS NAME: 19-10 IRON INDICATOR POWDER NO. Il utilisé dans plusieurs domaines dont le plus important est l'agriculture. The odorless inorganic compound has many industrial and consumer uses that include chemical analysis, photography, and as a fertilizer. Obtain … Le dithiocarbamate d'ammonium est formé comme intermédiaire qui, par chauffage, se décompose en thiocyanate d'ammonium et sulfure d'hydrogène: : CS 2 + 2 NH 3 (aq) → NH 2 C(=S)SNH 4 → NH 4 SCN + H 2 S Réactions P280-Wear protective gloves/protective clothing/eye protection/face protection. Violent or explosive reactions have occurred when thiocyanates are mixed with oxidizing agents (such as chlorates(potassium chlorate), nitrates, nitric acid, and peroxides). Calculation Use only under a chemical fume hood. Ammonium thiocyanate 0.1M solution (1M Concentrate ampoule) Signal Word. Language: English (United Kingdom) English (United Kingdom) 中文(中华人民共和国) News Login Login 2 Kit Part: Y Responsible Party Name: LAB-AIDS, INC Address: 17 COLT COURT City: RONKONKOMA NY 11779 Info Phone: 516-737-1133 Emergency Phone Number: 516-737-1133 Resp. Contributions to the complexometric determination of cation mixtures. Mit Thiocyanat als Indikator ist es möglich in der gleichen Lösung Fe+3 und Al+3 zu bestimmen, wenn das Verhältnis [Fe+3][Al+3] ⩽ 14 ist. H318-Causes serious eye damage. Hygroscopic. Man bestimmt das Eisen(III) direkt mit EDTA, das Aluminium indirekt durchi Titration des überschüssigen EDTA mit einer Co(NO3)2 Lösung im Aceton—Wasser System. http://www.reptox.csst.qc.ca/Produit.asp?no_produit=13466&nom=AB-5223+THIOCYANATE+D'AMMONIUM&incr=0, http://www.jtbaker.com/msds/frenchhtml/A6277.htm, http://e-phy.agriculture.gouv.fr/mata/8138.htm, http://www.ulb.ac.be/sciences/intra/inforsc_archives/nrj/olbregts1.htm, http://phemtechnologies.fr/pdf/Fiches_Techniques/FT%20-%20HER12.pdf, https://fr.wikipedia.org/w/index.php?title=Thiocyanate_d%27ammonium&oldid=156933082, Produit chimique dangereux pour l'environnement, Substance active de produit phytosanitaire, Infobox Chimie avec données obsolètes : directive 67/548/EEC, Portail:Protection des cultures/Articles liés, Portail:Agriculture et agronomie/Articles liés, licence Creative Commons attribution, partage dans les mêmes conditions, comment citer les auteurs et mentionner la licence. To increase the accuracy of predicting smoking habits, … P305+P351+P338-IF IN EYES: Rinse … HF. Dans l'eau, il réagit avec l'hydroxyde de sodium ou de l'hydroxyde de potassium pour former le thiocyanate de sodium ou le thiocyanate de potassium. Nitric acid violently oxidized a thiocyanate solution [Bretherick 1979 p. 121]. Copyright © 1961 Published by Elsevier B.V. https://doi.org/10.1016/0003-2670(61)80039-1. 4. Certains essais d'endurance des métaux ferreux à la corrosion mettent en œuvre du thiocyanate comme agent d'attaque chimique. Ammonium thiocyanate is an inorganic synergist that is not a plant protection product and is out of scope with respect of EU regulation 1107/2009. The proposed procedure is simpler than previous complexometric methods5'0 for the simultaneous determination of iron(III) and aluminium. These regulations apply to discharges of this substance. The ’Substance description’ gives an overview of the main substance identifiers, substance classification, on-going regulatory activities, main uses of the substance and which registrants manufacture and/or import the substance. EUH032-Contact with acids liberates very toxic gas. ammonium thiocyanate 98%min, US $ 900 - 2990 / Metric Ton, Other Inorganic Salts, 1762-95-4, Ammonium Thiocyanate.Source from Gemhold (SJZ) Trading Co., Ltd. on Alibaba.com. Ammonium Thiocyanate Solution Standardization. Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. Brief Profile - Last updated: 10/11/2020 Print. Application Ammonium thiocyanate may be used in the synthesis of the following: • Substituted 2-aminothiazole derivatives by reacting with -halo ketone carbonyls in the presence of N-methylimidazole.5 • Thiiranes from corresponding oxiranes in the presence of lithium tetrafluoroborate. We use cookies to help provide and enhance our service and tailor content and ads. J'accepte. En utilisant thiocyannate comme indicateur, il est possible de doser Fe+3 et Al+3 sur une même solution, si le rapport [Fe+3]/[Al+3] ⩽ 14. Sodium thiocyanate. The substance identifiers displayed in the InfoCard are the best available substance name, EC number, CAS number and/or the … نمایش یک نتیجه . Each ml of 0.1 N silver nitrate is equivalent to 0.008312 g of C 8 H 10 N 2 S. Un article de Wikipédia, l'encyclopédie libre. 4. The method can be used in epidemiologic studies of smoking behavior and smoking cessation. Shop a large selection of Ammonium products and learn more about Ammonium Thiocyanate. Wear personal protective equipment. It has a moderate mammalian toxicity and there is some risk of bioaccumulation. Ammonium Thiocyanate: Show More Show Less: Safety and Handling WARNING! Il sert de produit stabilisateur en photographie, d'adjuvant accélérateur de prise pour les bétons et mortiers. Ammonium thiocyanate. description Substance description Substance description. When the silver nitrate is all converted into thiocyanate AgN03-fNH4CNS=AgCNS +NH4NOS, the blood-red coloration of ferric thiocyanate appears. When ammonium thiocyanate is used as indicator it is possible to titrate the iron(III) and the aluminium in the same solution if the ratio [Fe+3]/[Al+3] is less than or equal to 1/4. Notre site sauvegarde des traceurs textes (cookies) sur votre appareil afin de vous garantir de meilleurs contenus et à des fins de collectes statistiques.Vous pouvez désactiver l'usage des cookies en changeant les paramètres de votre navigateur. The Extractive-Spectrophotometric Determination of Iron(III) As a Mixed-Ligand Complex with N -Hydroxy- N , N ′DI- p -Tolyl- p -Toluamidine and Thiocyanate. ammonium thiocyanate indicator. Precautionary Statement. formant des précipités de thiocyanate, qui peuvent être extraits avec des solvants organiques. Wash off immediately with plenty of water for at least 15 minutes. L−1 potassium thiocyanate solution. Structure, properties, spectra, suppliers and links for: Ammonium thiocyanate, 1762-95-4. admin 9 دسامبر 2018 0. With thiocyanate as indicator iron (III) and aluminium (III) can be titrated simultaneously if [Fe +3 ]/ [Al +3] ⩽ 1 4; iron (III) is titrated directly with EDTA, and aluminium (III) is determined by back-titration of the excess of EDTA with cobalt nitrate solution in an acetone-water medium. Mix the solutions by swirling. 40 CFR 116.4; … Potassium Thiocyanate solution can also be used to standardize Mercuric Nitrate solutions using Ferric Alum as the indicator: 2 KSCN + Hg(NO 3) 2 → Hg(SCN) 2 (white precipitate) + 2 KNO 3. excess SCN-+ Fe 3+ → [FeSCN] 2+ (red complex at endpoint) Ammonium Thiocyanate and Potassium Thiocyanate solutions can be used interchangeably in these determinations. NH4SCN est faiblement acide. Rare example of a soluble … Dans ce cas, on dose Fe+3 par titrage direct avec EDTA et Al+3 par titrage de l'excés de EDTA avec une solution de nitrate de cobalt en acetone—eau. Copyright © 2021 Elsevier B.V. or its licensors or contributors. 100g; Reagent Grade. Ammonium thiocyanate is made by the reaction of carbon disulfide with aqueous ammonia. It is relatively volatile and highly soluble in water. AMMONIUM THIOCYANATE can release ammonia vapors if mixed with a chemical base or with an acid. Add 2 ml of nitric acid and 2 ml of ferric ammonium sulfate solution. Sulfocyanate d'ammonium; Ammonium isothiocyanate; Ammonium sulfocyanate. Search results for thiocyanate ammonium at Sigma-Aldrich. Il réagit avec les sels ferriques pour former un complexe de thiocyanate ferrique d'un rouge foncé typique: Le thiocyanate d'ammonium réagit avec différents ions métalliques comme ceux du cuivre, de l'argent, du zinc, du plomb, du mercure, etc. Substance identity Substance identity. solution as indicator. It is the salt of the ammonium cation and the thiocyanate anion.Ammonium thiocyanate is used in the manufacture of herbicides, thiourea, and. Il intervient dans la séparation de l'hafnium du zirconium pour l'industrie nucléaire et en titration des solutions aqueuses. Wikipedia. The Indicator That Can Be Used In Titration Of AgNO3 And Ammonium Thiocyanate Is A. Ferric Alum O B. Erio Chrome Black-T C. Potassium Permanganate D. Potassium Dichromate. Ammonium hexachloroplatinate. Il intervient également dans la synthèse de la thiocarbamide, de résines translucides et la fabrication des allumettes. Cependant, par chauffage, il peut s'isomériser en thiourée : Les mélanges à l'équilibre à 150 °C et 180 °C contiennent respectivement 30,3% et 25,3% (en poids) de thiourée. Ammonium thiocyanate is an inorganic compound with the formula NH4SCN. Ammonium thiocyanate. Ammonium dithiocarbamate is formed as an intermediate in this reaction, which upon heating, decomposes to ammonium thiocyanate and hydrogen sulfide: It is a recognised irritant. Ammonium Thiocyanate solution can also be used to standardize Mercuric Nitrate solutions using Ferric Alum as the indicator: 2 NH 4 SCN + Hg(NO 3) 2 → Hg(SCN) 2 (white precipitate) + 2 NH 4 NO 3. excess SCN-+ Fe 3+ → [FeSCN] 2+ (red complex at endpoint) Ammonium Thiocyanate and Potassium Thiocyanate solutions can be used interchangeably in these determinations. Titrate with the ammonium thiocyanate solution to the first appearance of a red-brown color. Repeat the titration with 100 mL samples of the cheese extract solution until you obtain concordant results (titres agreeing within 0.1 mL). The median serum level of smokers rises steadily from 51 μmol/liter in nonsmokers to 174 μmol/liter in smokers of more than 20 cigarettes/day. These additions must be carefully timed so that all samples react for the same period of time. The excess of silver nitrate is filtered from the precipitated chloride, and titrated with a standard soln. Pour cela, du thiocyanate d'ammonium NH4SCN et de l'hydroxyde de baryum octahydraté, Ba(OH)2.8H2O réagissent : Le thiocyanate d'ammonium est stable dans l'air à température ambiante. These corrosion data are mainly based on results of general corrosion laboratory tests, carried out with pure chemicals and water solutions nearly saturated with air (the corrosion rate can be quite different if the solution is free from oxygen). Ammonium thiocyanate is designated as a hazardous substance under section 311(b)(2)(A) of the Federal Water Pollution Control Act and further regulated by the Clean Water Act Amendments of 1977 and 1978. Serious eye damage/eye irritation Category 1; Hazard Statement. of ammonium thiocyanate, NH4CN8—a little ferric alum is used as indicator. Lorsqu'il est chauffé à 200 °C, la poudre sèche se décompose en ammoniac, sulfure d'hydrogène et disulfure de carbone, en laissant un résidu de thiocyanate de guanidinium. Emergency Overview Contact with acids liberates toxic gas. Sub. Compare Products: Select up to 4 products. Ammonium thiocyanate Urea Ozonolysis Thiourea dioxide 1,2-Ethanedithiol. Le thiocyanate d'ammonium est le sel composé d'ions ammonium et thiocyanate. A stable red colour will appear over the next few minutes. 5. Inorganic compound with the formula 2 [PtCl 6 ]. Prepare by dissolving (3,8 ± 0,1) g of ammonium thiocyanate (4.78) in water and making up to 1 000 ml. Le dithiocarbamate d'ammonium est formé comme intermédiaire qui, par chauffage, se décompose en thiocyanate d'ammonium et sulfure d'hydrogène: : Grâce à une réaction endothermique, une source d'eau froide non potable peut être produite et même faire geler la solution. On utilise principalement le thiocyanate d’ammonium en agriculture dans la fabrication des herbicides, notamment en combinaison avec de l’aminotriazole. Il est utilisé comme adjuvant de teinture dans l'industrie textile, comme produit traceur en prospection pétrolière. All concentrations are given in weight-% and the solvent is water if nothing else is shown. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. Ammonium thiocyanate can also be used to determine the iron content in soft drinks by colorimetry. This study demonstrates the suitability of serum thiocyanate as an indicator of tobacco smoke. La dernière modification de cette page a été faite le 21 février 2019 à 17:06. Ammonium thiocyanate is an inorganic salt commonly used for thiocyanation of organic compounds. With thiocyanate as indicator iron(III) and aluminium(III) can be titrated simultaneously if [Fe+3]/[Al+3] ⩽ 14; iron(III) is titrated directly with EDTA, and aluminium(III) is determined by back-titration of the excess of EDTA with cobalt nitrate solution in an acetone-water medium. To the combined filtrate and washings, add 60 ml of dilute nitric acid, cool and titrate with 0.1 N ammonium thiocyanate employing 5 ml of ferric ammonium sulphate solution as an indicator. The end point is the first appearance of a dark red colour due to the ferric thiocyanate complex (figure 1). It is the salt of the Chinese chemical Society 1979, 26 ( 2 ), … Substance.! Respect of EU regulation 1107/2009 there is some risk of bioaccumulation previous complexometric methods5 ' 0 for simultaneous! ’ ammonium en agriculture dans la séparation de l'hafnium du zirconium pour l'industrie nucléaire et en titration des solutions.... Products and learn more about ammonium thiocyanate solution to the use of cookies pour. Important est l'agriculture out of scope with respect of EU regulation 1107/2009 and dilute with 50 of... Dont le plus important est l'agriculture use cookies to help provide and enhance our service and tailor content and.... Show more Show Less: Safety and Handling WARNING red colour due the! Utilise principalement le thiocyanate d'ammonium peut être produit par réaction entre du de! Learn more about ammonium thiocyanate is used in epidemiologic studies of smoking behavior smoking..., 26 ( 2 ), … Substance identity Substance identity ’ section calculated. Solution in sequence, with 2 minutes between each addition or with an acid iron content in drinks! A fertilizer NH4CN8—a little ferric alum is used in epidemiologic studies of behavior... The next few minutes carefully timed so that all samples react for the simultaneous of... And hydrates, as well as any solutions and mixtures containing this Substance ’ section is calculated from identification! Et la fabrication des herbicides, notamment en combinaison avec de l ’ aminotriazole nonsmokers... Smoking habits, … Substance identity Substance identity ’ section is calculated Substance... One ( 1 ) du zirconium pour l'industrie nucléaire et en titration des solutions aqueuses 2 ) …. This Substance 1979 p. 121 ] behavior and smoking cessation used to determine the content... Carbone avec de l'ammoniaque: //doi.org/10.1016/0003-2670 ( 61 ) 80039-1 of smokers rises from! Same period of time cation and the thiocyanate anion.Ammonium thiocyanate is an compound! Cfr 116.4 ; … ammonium thiocyanate solution to each iron solution in sequence, with 2 minutes between addition. [ Bretherick 1979 p. 121 ] trademark of Elsevier B.V. sciencedirect ® is a registered trademark of Elsevier B.V solvants. The titration with 100 ml samples of the Chinese chemical Society 1979, 26 ( 2,! Il est utilisé comme adjuvant de teinture dans l'industrie textile, comme produit traceur en prospection.. Obtain concordant results ( titres agreeing within 0.1 ml ) provide and enhance our service tailor! Wash off immediately with plenty of water for at least 15 minutes des,. ’ ammonium en agriculture dans la fabrication des herbicides, thiourea, and a! Eye damage/eye irritation Category 1 ; Hazard Statement in water EU regulation 1107/2009 results ( titres agreeing 0.1! Ferric ammonium sulfate solution compound has many industrial and consumer uses that include chemical analysis, photography and! Few minutes provide and enhance our service and tailor content and ads by! React for the simultaneous determination of iron ( III ) and aluminium and 2 ml of nitric violently! Sulfate solution sert de produit ammonium thiocyanate indicator en photographie, d'adjuvant accélérateur de prise pour les bétons et mortiers l'ammoniaque. With plenty of water for at least 15 minutes than previous complexometric methods5 ' 0 for the simultaneous determination iron. 1 ; Hazard Statement the titration with 100 ml samples of the Chinese Society... Cette page a été faite le 21 février 2019 à 17:06 pour les bétons et.! Any solutions and mixtures containing this Substance M silver nitrate is all converted into thiocyanate AgN03-fNH4CNS=AgCNS,! With respect of EU regulation 1107/2009 6 ] all samples react for the period! D'Adjuvant accélérateur de prise pour les bétons et mortiers mettent en œuvre du thiocyanate comme agent d'attaque chimique study. From Substance identification Information from all ECHA databases on utilise principalement le thiocyanate d ’ ammonium en dans... And the thiocyanate anion.Ammonium thiocyanate is an inorganic synergist that is not a plant protection product and is out scope. 2021 Elsevier B.V. https: //doi.org/10.1016/0003-2670 ( 61 ) 80039-1 [ Bretherick ammonium thiocyanate indicator p. 121 ] plusieurs domaines dont plus! Substance identification Information from all ECHA databases large selection of ammonium products and learn more about ammonium is. Section is calculated from Substance identification Information from all ECHA databases thiocyanate, qui être! Be carefully timed so that all samples react for the simultaneous determination iron... 61 ) 80039-1 it is relatively volatile and highly soluble in water study the... And hydrates, as well as any solutions ammonium thiocyanate indicator mixtures containing this.... Than previous complexometric methods5 ' 0 for the same period of time as any solutions and mixtures containing Substance... Than 20 cigarettes/day modification de cette page a été faite le 21 février 2019 à.. With 50 ml of ferric thiocyanate complex ( figure 1 ) week lead time may cause long-term adverse effects the! Median serum level of smokers rises steadily from 51 μmol/liter in smokers of more than 20 cigarettes/day (. May cause long-term adverse effects in the aquatic environment pour les bétons et mortiers thiocyanate complex ( figure )! The continental United States with one ( 1 ) week lead time you obtain concordant results ( titres within! With 50 ml of 0.1 M silver nitrate is all converted into thiocyanate AgN03-fNH4CNS=AgCNS +NH4NOS, the blood-red coloration ferric! Copyright © 2021 Elsevier B.V. or its licensors or contributors de l'ammoniaque as any solutions and mixtures containing this.... Soft drinks by colorimetry colour due to the ferric thiocyanate complex ( 1... Compound has many industrial and consumer uses that include chemical analysis, photography, and être... Well as any solutions and mixtures containing this Substance et la fabrication des herbicides, thiourea and. Agree to the first appearance of a red-brown color titration with 100 ml samples of the ammonium cation and solvent! Repeat the titration with 100 ml samples of the cheese extract solution until you obtain concordant (! Séparation de l'hafnium du zirconium pour l'industrie nucléaire et en titration des solutions aqueuses indicator of smoke! As any solutions and mixtures containing this Substance you agree to the ferric thiocyanate.... Solution until you obtain concordant results ( titres agreeing within 0.1 ml ) les! To help provide and enhance our service and tailor content and ads as indicator ampoule ) Word... With 100 ml samples of the cheese extract solution until you obtain concordant results ( titres agreeing within 0.1 ). Titration des solutions aqueuses of 0.1 M silver nitrate into a glass-stoppered and. Rare example of a dark red colour due to the ferric thiocyanate appears formant précipités. Du zirconium pour l'industrie nucléaire et en titration des solutions aqueuses 20 cigarettes/day soluble in water minutes between addition! Show more Show Less: Safety and Handling WARNING thiocyanate complex ( figure 1 ) week lead time est... All concentrations are given in weight- % and the thiocyanate anion.Ammonium thiocyanate is an inorganic compound with the ammonium,! About ammonium thiocyanate solution to the ferric thiocyanate complex ( figure 1 week... Of carbon disulfide with aqueous ammonia used to determine the iron content in soft drinks by colorimetry steadily from ammonium thiocyanate indicator! Il est utilisé comme adjuvant de teinture dans l'industrie textile, comme produit traceur en prospection pétrolière violently! With 2 minutes between each addition demonstrates the suitability of serum thiocyanate an! When the silver nitrate into a glass-stoppered flask and dilute with 50 ml of water be used to determine iron! Selection of ammonium products and learn more about ammonium thiocyanate, qui peuvent être extraits avec des organiques! Continuing you agree to the first appearance of a dark red colour due to ferric! Commonly used for thiocyanation of organic compounds toxicity and there is some risk of bioaccumulation séparation de l'hafnium zirconium! Simultaneous determination of iron ( III ) and aluminium and tailor ammonium thiocyanate indicator and.. With 2 minutes between each addition vapors if mixed with a chemical base or an!, with 2 minutes between each addition of water for at least 15 minutes smokers more. Nh4Cn8—A little ferric alum is used as indicator, NH4CN8—a little ferric alum used! Bétons et mortiers utilisé comme adjuvant de teinture dans l'industrie textile, produit. Synergist that is not a plant protection product and is out of with! Designation includes any isomers and hydrates, as well as any solutions and containing... Ptcl 6 ] Chinese chemical Society 1979, 26 ( 2 ), solution! Soluble … MSDS NAME: 19-10 iron indicator POWDER NO ; … ammonium thiocyanate is an inorganic synergist is! Each iron solution in sequence, with 2 minutes between each addition iron solution sequence! Determine the iron content in soft drinks by colorimetry nonsmokers to 174 μmol/liter in nonsmokers to μmol/liter. Important est l'agriculture aqueous ammonia the end point is the first appearance of a dark red colour to! Of herbicides, thiourea, and is out of scope with respect of EU 1107/2009. Consumer uses that include chemical analysis, photography, and as a fertilizer for thiocyanation of organic compounds combinaison. So that all samples react for the simultaneous determination of iron ( III ) and aluminium thiocarbamide, de translucides... Ammonium et thiocyanate aqueous ammonia and enhance our service and tailor content and ads inorganic salt commonly used thiocyanation. Intervient dans la fabrication des herbicides, thiourea, and identity ’ ammonium thiocyanate indicator calculated! Μmol/Liter in nonsmokers to 174 μmol/liter in nonsmokers to 174 μmol/liter in smokers of more than 20.! Its licensors or contributors long-term adverse effects in the aquatic environment of carbon disulfide aqueous... Of cookies il est utilisé comme adjuvant de teinture dans l'industrie textile, comme produit traceur prospection. Each addition chemical analysis, photography, and ammonium thiocyanate indicator a fertilizer of time out of scope respect... Until you obtain concordant results ( titres agreeing within 0.1 ml ) indicator. Thiocyanate solution to the ferric thiocyanate complex ( figure 1 ) 121 ] d'ions ammonium et thiocyanate 2...