Primary Drinking Water Metals with 7 Components. This is Solution A of the 2 Solution Set DWPS.
This standard is traceable to NIST SRM 3300 series. ISO 9001:2015 certified, ISO/IEC 17025:2017 and ISO 17035.25:2016 accredited.
12 month expiration date.
Components: Silver at 10 µg/mL, Barium, Cadmium, Selenium at 50 µg/mL, Arsenic, Chromium, Lead at 100 µg/mL in 2% HNO3 + Tr HF.