Potassium ICP standard

Potassium ICP standard, traceable to SRM from NIST KNO₃ in HNO₃ 2-3% 1000 mg/l K Certipur^®

Potassium ICP standard, traceable to SRM from NIST KNO₃ in HNO₃ 2-3% 10000 mg/l K Certipur^®