ICP Multi-Component Analytical Mixture with 4 Components at 1,000 µg/mL in 2% HNO3.
This standard is traceable to NIST SRM 3100 series. ISO 9001:2015 certified, ISO/IEC 17025:2017 and ISO 17034:2016 accredited.
12 month expiration date.
Components: Calcium, Magnesium, Potassium, Sodium.