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Colorimetric or turbidimetric methods of analysis have been developed for most of the elements and ionic species. These methods can be employed to quickly determine the chemical composition of an unknown substance. Before attempting to analyze an unknown it is useful to develop a logical process to follow. Care must be taken in sampling, collecting and washing precipitates, performing confirmatory tests and most importantly, recording data. It is also good laboratory practice to always analyze a known with each unknown as a double check on the reagents being used.

The unknowns will be analyzed for one of six possible anions: Cl, Br, I, PO42-, NO3-, and SO42-. A standard solution for each anion will also be run.

Kit Includes:
1 X 100mL Sodium Bromide, 0.1M
1 X 100mL Sodium Chloride, 0.1M
1 X 100mL Sodium Iodide, 0.1M
1 X 100mL Sodium Nitrate, 0.1M
1 X 100mL Sodium Phosphate, 0.1M
1 X 100mL Sodium Sulfate, 0.1M
1 X 200mL Nitric Acid, 6M
1 X 50mL Ammonium Hydroxide, 6M
2 X 100mL Mineral Oil
1 X 75mL Ammonium Molybdate, 0.1M
1 X 75mL Diphenylamine Reagent
1 X 75mL Barium Chloride, 0.1N
1 X 100mL Potassium Permanganate, 2%
1 X 100mL Ferric Nitrate, 0.1M
1 X 50mL Silver Nitrate, 0.1M

DOT Info:
UN2031, Nitric acid, 8, II
UN2672, Ammonia solutions, 8, III, Ltd Qty
UN1830, Sulfuric acid solution, 8, II, Ltd Qty
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 WARNING: This product can expose you to chemicals including Strong inorganic acid mists containing sulfuric acid, which are known to the State of California to cause cancer. For more information go to

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