Methods and Standards Support Products

Buffer, Reference Standard, pH 4.00 ± 0.01 at 25 deg C, Ricca Chemical

Chemical Name or Material: Buffer, Reference Standard Name Note: pH 4.00 ± 0.01 at 25 deg C CAS: 7732-18-5 CAS Min %: 97.0 CAS Max %: 100.0 CAS: 877-24-7 CAS Min %: 0.99 CAS Max %: 1.03

Total Ionic Strength Adjustment Buffer (TISAB II) with CDTA, APHA/EPA for Fluoride, Ricca Chemical

Chemical Name or Material: Buffer Solution, Total Ionic Strength Adjustment Buffer (TISAB II) Name Note: With CDTA CAS: 7732-18-5 CAS Min %: 82.0 CAS Max %: 85.0 CAS: 1310-73-2 CAS Min %: 5.87 CAS Max %: 6.11 CAS: 64-19-7 CAS Min %: 4.91 CAS Max %: 5.12 CAS: 7647-14-5 CAS Min %: 4.77 CAS Max %: 4.96 CAS: 13291-61-7 CAS Min %: 0.33 CAS Max %: 0.34

Buffer, Reference Standard, pH 12.45 0.01 at 25°C, Ricca Chemical

Chemical Name or Material: Buffer, -Reference-Standard Name Note: pH 12.45± 0.01 at 25°C CAS: 7732-18-5 CAS Min %: 97.0 CAS Max %: 100.0 CAS: 7447-40-7 CAS Min %: 0.35 CAS Max %: 0.37 CAS: 1310-73-2 CAS Min %: 0.27 CAS Max %: 0.28

Cobalt Chloride, 1.2% (w/v) Aqueous Solution with 10% (v/v) Hydrochloric Acid, Ricca Chemical

Chemical Name or Material: Cobalt Chloride CAS: 7732-18-5 CAS Min %: 87.0 CAS Max %: 90.0 CAS: 7647-01-0 CAS Min %: 10.23 CAS Max %: 10.65 CAS: 7791-13-1 CAS Min %: 1.04 CAS Max %: 1.08 Physical Form: Clear, dark pink liquid

Phenylarsine Oxide (PAO) Titrant, 0.00564N, Stabilized, 1mL = 0.2mg Cl2, Ricca Chemical

Chemical Name or Material: Phenylarsine Oxide (PAO) Titrant CAS: 7732-18-5 CAS Min %: 98.0 CAS Max %: 100.0 CAS: 1310-73-2 CAS Min %: 0.08 CAS Max %: 0.09 CAS: 637-03-6 CAS Min %: 0.05 CAS Max %: 0.06 CAS: 7732-18-5 (Water, Deionized) Physical Form: Clear to hazy, colorless to light tan liquid

Manganous (Manganese) Sulfate, 0.003M, APHA for Ammonia Nitrogen, Ricca Chemical

Chemical Name or Material: Manganous (Manganese) Sulfate

Potassium Dichromate, 0.100 Normal, 0.0167 Molar, Ricca Chemical

Chemical Name or Material: Potassium Dichromate CAS: 7732-18-5 CAS Min %: 98.0 CAS Max %: 100.0 CAS: 7778-50-9 CAS Min %: 0.48 CAS Max %: 0.5 Physical Form: Clear, orange liquid

Buffer Assortment Pack, pH 4/7/10, Ricca Chemical

CAS: 7732-18-5 CAS Min %: 97.0 CAS Max %: 100.0 CAS: 877-24-7 CAS Min %: 0.33 CAS Max %: 0.34 CAS: 7558-79-4 CAS Min %: 0.29 CAS Max %: 0.3 CAS: 497-19-8 CAS Min %: 0.17 CAS Max %: 0.18 CAS: 7778-77-0 CAS Min %: 0.16 CAS Max %: 0.17 CAS: 144-55-8 CAS Min %: 0.13 CAS Max %: 0.14

Sulfate Standard, 1mL = 0.1mg SO42-, Ricca Chemical

Chemical Name or Material: Sulfate Standard CAS: 7732-18-5 CAS Min %: 98.0 CAS Max %: 100.0 CAS: 7757-82-6 CAS Min %: 0.01 CAS Max %: 0.02 Physical Form: Clear colorless liquid

Buffer, Reference Standard, pH 10.00 ± 0.01 at 25 deg C, Ricca Chemical

Chemical Name or Material: Buffer, Reference Standard Name Note: pH 10.00 ± 0.01 at 25 deg C CAS: 7732-18-5 CAS Min %: 97.0 CAS Max %: 100.0 CAS: 497-19-8 CAS Min %: 0.51 CAS Max %: 0.53 CAS: 144-55-8 CAS Min %: 0.39 CAS Max %: 0.41 CAS: 1310-73-2 CAS Min %: 0.03 CAS Max %: 0.03

Ammonium Molybdate Reagent II, for Phosphorus Determination by the Stannous Chloride Method (with extraction), Ricca Chemical

Chemical Name or Material: Ammonium Molybdate Reagent II CAS: 7732-18-5 CAS Min %: 78.0 CAS Max %: 81.0 CAS: 7664-93-9 CAS Min %: 15.94 CAS Max %: 16.59 CAS: 12054-85-2 CAS Min %: 3.91 CAS Max %: 4.07 Physical Form: Clear, colorless to pale yellow green liquid

Phenylarsine Oxide (PAO) Titrant, 0.0375 Normal, Stabilized, Ricca Chemical

Chemical Name or Material: Phenylarsine Oxide (PAO) Titrant CAS: 7732-18-5 CAS Min %: 98.0 CAS Max %: 100.0 CAS: 637-03-6 CAS Min %: 0.37 CAS Max %: 0.39 CAS: 1310-73-2 CAS Min %: 0.1 CAS Max %: 0.1 CAS: 7732-18-5 (Water, Deionized) Physical Form: Clear to hazy, colorless to light tan liquid

Buffer, Reference Standard, pH 7.00 ± 0.01 at 25 deg C (Color Coded Yellow), Ricca Chemical

Chemical Name or Material: Buffer, Reference Standard Name Note: pH 7.00 ± 0.01 at 25 deg C (Color Coded Yellow) CAS: 7732-18-5 CAS Min %: 97.0 CAS Max %: 100.0 CAS: 7558-79-4 CAS Min %: 0.87 CAS Max %: 0.91 CAS: 7778-77-0 CAS Min %: 0.48 CAS Max %: 0.5

Buffer, Reference Standard, pH 2.00 0.01 at 25°C, Ricca Chemical

Chemical Name or Material: Buffer, Reference Standard Name Note: pH 2.00± 0.01 at 25°C CAS: 7447-40-7 (Potassium Chloride) CAS: 7647-01-0 (Hydrochloric Acid) CAS: 7732-18-5 (Water, Deionized) Physical Form: Clear colorless liquid

Nitrogen Standard, 1mL = 0.1mg N, 100ppm N as Nitrate, Ricca Chemical

Chemical Name or Material: Nitrogen Standard CAS: 7732-18-5 CAS Min %: 98.0 CAS Max %: 100.0 CAS: 7757-79-1 CAS Min %: 0.07 CAS Max %: 0.07 CAS: 7732-18-5 (Water, Deionized) Physical Form: Clear colorless liquid

Sodium Hydroxide, 0.100N, Ricca Chemical

Chemical Name or Material: Sodium Hydroxide Solution CAS: 7732-18-5 CAS Min %: 97.0 CAS Max %: 100.0 CAS: 1310-73-2 CAS Min %: 0.78 CAS Max %: 0.81

Buffer Solution, for Nitrate Determination using Ion Selective Electrode, Ricca Chemical

Chemical Name or Material: Buffer Solution CAS: 7732-18-5 CAS Min %: 96.0 CAS Max %: 100.0 CAS: 7784-31-8 CAS Min %: 1.66 CAS Max %: 1.73 CAS: 10294-26-5 CAS Min %: 0.33 CAS Max %: 0.34 CAS: 5329-14-6 CAS Min %: 0.24 CAS Max %: 0.25 CAS: 10043-35-3 CAS Min %: 0.12 CAS Max %: 0.13 CAS: 7732-18-5 (Water, Deionized) Physical Form: Clear colorless liquid

Methyl Red Indicator, 0.1% (w/v) Aqueous Solution, Ricca Chemical

Chemical Name or Material: Methyl Red Indicator CAS: 845-10-3 (Methyl Red, Sodium Salt) CAS: 7732-18-5 (Water, Deionized) Physical Form: Clear, orange to dark red colored liquid

Barium Chloride, 10% (w/v) Aqueous Solution, Ricca Chemical

Chemical Name or Material: Barium Chloride CAS: 7732-18-5 CAS Min %: 89.0 CAS Max %: 93.0 CAS: 10326-27-9 CAS Min %: 9.0 CAS Max %: 11.0 Physical Form: Clear colorless liquid

Iodine (Iodine-Iodide), 0.100N, Ricca Chemical

Chemical Name or Material: Iodine (Iodine-Iodide) Solution Name Note: Iodine-Iodide CAS: 7553-56-2 (Iodine) CAS: 7681-11-0 (Potassium Iodide) CAS: 7732-18-5 (Water, Deionized) Physical Form: Dark brown liquid

Buffer, Reference Standard, pH 7.00 + 0.01 at 25°C (Color Coded Green), Ricca Chemical

Chemical Name or Material: Buffer, Reference Standard CAS: 7732-18-5 CAS Min %: 97.0 CAS Max %: 100.0 CAS: 7558-79-4 CAS Min %: 0.87 CAS Max %: 0.9 CAS: 7778-77-0 CAS Min %: 0.48 CAS Max %: 0.5 CAS: Proprietary Inert Dye CAS: Proprietary Preservative (No Mercury compounds or Formaldehyde) Physical Form: Clear, green liquid

Buffer, Reference Standard, pH 11.00 0.01 at 25°C, Ricca Chemical

Chemical Name or Material: Buffer, Reference Standard Name Note: pH 11.00± 0.01 at 25°C CAS: 7732-18-5 CAS Min %: 97.0 CAS Max %: 100.0 CAS: 7558-79-4 CAS Min %: 1.02 CAS Max %: 1.06 CAS: 1310-73-2 CAS Min %: 0.11 CAS Max %: 0.11 Physical Form: Liquid

Ammonium Chloride-EDTA Solution, for Nitrate by the Cadmium Reduction Method, Ricca Chemical

Chemical Name or Material: Ammonium Chloride-EDTA Solution CAS: 12125-02-9 (Ammonium Chloride) CAS: 1336-21-6 (Ammonium Hydroxide) CAS: 7732-18-5 (Water, Deionized) Physical Form: Clear colorless liquid

Buffer, Reference Standard, pH 10.00 (Color Coded Blue), Ricca Chemical

Chemical Name or Material: Buffer, Reference Standard Name Note: pH 10.00 ± 0.01 at 25 deg C (Color Coded Blue) CAS: 7732-18-5 CAS Min %: 97.0 CAS Max %: 100.0 CAS: 497-19-8 CAS Min %: 0.51 CAS Max %: 0.53 CAS: 144-55-8 CAS Min %: 0.39 CAS Max %: 0.41

Sulfuric Acid, 5.00 Normal, Ricca Chemical

Chemical Name or Material: Sulfuric Acid CAS: 7732-18-5 CAS Min %: 78.0 CAS Max %: 81.0 CAS: 7664-93-9 CAS Min %: 19.96 CAS Max %: 20.77 Physical Form: Clear colorless liquid

Buffer, Reference Standard, pH 6.00 0.01 at 25°C, Ricca Chemical

Chemical Name or Material: Buffer, Reference Standard Name Note: pH 6.00± 0.01 at 25°C CAS: 7732-18-5 CAS Min %: 97.0 CAS Max %: 100.0 CAS: 7778-77-0 CAS Min %: 0.78 CAS Max %: 0.82 CAS: 7558-79-4 CAS Min %: 0.1 CAS Max %: 0.11 Physical Form: Clear colorless liquid

Ferrous Ammonium Sulfate, 0.00282 Normal (0.00282 Molar), 1mL = 0.1mg Cl, Ricca Chemical

Chemical Name or Material: Ferrous Ammonium Sulfate Physical Form: Clear, light green liquid

Ammonium Molybdate, 4% (w/v) Aqueous Solution, Ricca Chemical

Chemical Name or Material: Ammonium Molybdate CAS: 7732-18-5 CAS Min %: 94.0 CAS Max %: 98.0 CAS: 12054-85-2 CAS Min %: 3.0 CAS Max %: 5.0 Physical Form: Clear colorless liquid

Buffer, Reference Standard, pH 3.56 0.01 at 25°C, Ricca Chemical

Chemical Name or Material: Buffer, Reference Standard Name Note: pH 3.56± 0.01 at 25°C CAS: 7732-18-5 CAS Min %: 97.0 CAS Max %: 100.0 CAS: 877-24-7 CAS Min %: 1.0 CAS Max %: 1.04 CAS: 7647-01-0 CAS Min %: 0.06 CAS Max %: 0.06 Physical Form: Clear colorless liquid

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