"Ricca Chemical"

Potassium Chloride, 0.0100 Molar (M/100), 1412 µS/cm (1412 µmho/cm) at 25 °C, Ricca Chemical Company

Supplier: Ricca Chemical

APHA for conductance.

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Buffers, Reference standards, Acidic to Neutral, Ricca Chemical

Supplier: Ricca Chemical

Colorless pH buffer solutions are certified to ±0.01 pH at 25°C

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Water USP, Ph. Eur., JP, purified

Supplier: Ricca Chemical

Eau USP, JP, Ph. Eur., purified

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Sulfuric acid 5.00 N in aqueous solution

Supplier: Ricca Chemical

Sulfuric Acid, 5.00 Normal, Cas number: 7664-93-9, 7732-18-5, Molecular Formula: H2SO4, H2O, Molecular weight: 98.07g/mol, 18.01g/mol, Appearance/Form: Colorless liquid, Size: 1L Poly natural

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Magnesium sulfate 2.25% (w/v) in aqueous solution

Supplier: Ricca Chemical

APHA for BOD.

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Sulfuric acid 2.00 N in aqueous solution

Supplier: Ricca Chemical

Acide sulfurique 2.00 N in aqueous solution

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Cobaltous Chloride CS, USP / EP Red Primary Solution, 1 ml = 59.5 mg CoCl₂.6H₂O, Ricca Chemical Company

Supplier: Ricca Chemical

Glass bottle, amber

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Electrode Storage Solutions, RICCA Chemical Company

Supplier: Ricca Chemical

For storing pH glass and combination electrodes.

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Nitrogen Standard, 1 ml = 1 mg N, 1000 ppm N as Nitrate (4427 ppm NO₃⁻), Ricca Chemical Company

Supplier: Ricca Chemical

Nitrogen-nitrate standard, 1000 ppm, Application: Environmental standards

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Potassium Chloride Conductivity Standard, 10 µS/cm at 25 °C, Ricca Chemical Company

Supplier: Ricca Chemical

Potassium Chloride Conductivity Standard, 10 uS/cm at 25 deg C, CAS Number: 7447-40-7, Molecular Formula: KCL, Molecular Weight: 74.55 g/mol, Color: Colorless, Form: Liquid, Shelf Life: 12 months, Co

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Buffers, Alkaline, Reference Standards, RICCA Chemical Company

Supplier: Ricca Chemical

Colorless buffers for pH calibration.

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Sodium chloride 0.9% (w/v) in aqueous solution isotonic saline, suitable for use as blood bank saline

Supplier: Ricca Chemical

Isotonic saline, sub-micron filtered, low particle count, nonsterile.

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Buffers, Precision Reference Standards, RICCA Chemical Company

Supplier: Ricca Chemical

This precision line of pH Buffers offers tolerances of ±0.005 pH unit or better.

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Silver nitrate 0.100 N (N/10) in aqueous solution

Supplier: Ricca Chemical

Standardized at 25 °C against chemicals whose certification is traceable to NIST.

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Conductivity Standard, 10 µS/cm (10 µmho/cm) at 25°C 4.7 ppm as NaCl

Supplier: Ricca Chemical

Calibration standards are individually calibrated and certified directly traceable to National Institute of Standards and Technology Electrolytic Conductivity Standard Reference Materials.