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Drinking water hardness quality control

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Drinking Water Hardness Standard. 500 mL. Contains: (mg/mL) Calcium at 30-90, Magnesium at 2-20. Calcium hardness as CaCO3 at 75-225 mg/L. Total hardness as CaCO3 at 83-307 mg/L. Concentrations vary depending on lot. 12 months expiry date. ISO 9001:2015 certified, ISO/IEC 17025:2017 and ISO 17034:20166 accredited.
Product no.: WQC-HARD-DW-500
  193.00 €*

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