亚硝酸盐 IC 标准液 1,000 mg NO2- traceable to SRM from NIST NaNO₂ in H₂O 1000 mg/l NO₂⁻ CertiPUR®
磷酸盐 IC 标准液 1,000 mg/l PO43- traceable to SRM from NIST KH₂PO₄ in H₂O 1000 mg/l PO₄³⁻ CertiPUR®
溴离子 IC 标准液 1,000 mg/l Br- traceable to SRM from NIST NaBr in H₂O 1000 mg/l Br⁻ CertiPUR®
氟离子 IC 标准液 1,000 mg/l NaF in H₂O 1000 mg/l F⁻ CertiPUR®
硫酸盐 IC 标准液 1,000 mg/l traceable to SRM from NIST Na₂SO₄ in H₂O 1000 mg/l SO₄²⁻ CertiPUR®
铵离子 IC 标准液 1,000 mg/l traceable to SRM from NIST NH₄Cl in H₂O 1000 mg/l NH₄⁺ CertiPUR®