钾ICP标准品

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

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