Reference Standards & CRMs

Showing 2538 of 38 products
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Sodium Standard Solution
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Standard 10,000 mg/L as Chloride
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Standard 1000 mg/L as Cl− (CAL 2)
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Sucrose Standard Solution
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Synthetic Sea Water
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TDS 442 Standard Solution
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TDS Standard Solution
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TOC Calibration Standard Solution
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TOC Standard (APHA 5310B)
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TOC Standard Solution
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Turbidity Standard Solution
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Working Standard 1000 ppm SO4²⁻