6-component IC Cation Standard Mix 1 in H2O. 100 mL. Contains: (µg/mL) Lithium at 50, Sodium at 200, Ammonium, Magnesium at 250, Calcium, Potassium at 500. 12 months expiry date. Traceable to NIST SRM 31XX series. ISO 9001:2015 certified, ISO/IEC 17025:2017 and ISO 17034:20166 accredited.
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