ICP Multi-Component EPA Method 200.7 Calibration Standard, 2 Solution Set with 9 Components in 2% HNO3.
This standard is traceable to NIST SRM 3100 series. ISO 9001:2015 certified, ISO/IEC 17025:2005 and ISO 17034:2016 accredited.
12 month expiration date.
Solution A: Chromium, Nickel, Zinc at 500 µg/mL, Aluminum, Calcium, Magnesium, Potassium, Sodium at 1,000 µg/mL
Solution B: Silver at 500 µg/mL.
Solution A and Solution B can also be purchased separately.