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EDTA Solution, 1M, 50 mL SCDB
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For determination of calcium and magnesium hardness in water by the Calmagite Colorimetric method, Hach Method 8030. Also used for the determination of calcium and magnesium in ultrapure saturated NaCl feed brine (HNB method, DOC316.53.01562). 50 mL self-contained Dropping Bottle.