Home pageProductsReference standards and chemicals in small quan...High Purity Standards (HPS)ICP multi-element standardsQuality control standards 7-component ICP Quality Control Standard, Mix 7 Original. 250 mL. Contains: (µg/mL) Silicon at 50, Aluminium, Barium, Boron, Silver, Sodium at 100, Potassium at 1,000 in 2% HNO3. 12 months expiry date. Traceable to NIST 31XX series. ISO 9001:2015 certified, ISO/IEC 17025:2017 and ISO 17034:20166 accredited. Ask question


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Product no.:QCS-7-250
Manufacturer:High Purity Standards
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