镓 ICP 标准液 1,000 mg/l traceable to SRM from NIST Ga(NO ) in HNO 2-3% 1000 mg/l Ga CertiPUR
锂标准液 可溯源至NIST的SRM,LiNO 溶于0.5 mol/l的HNO 1000 mg/l Li CertiPUR
缓冲溶液 for Karl Fischer Titration apura
缓冲液 (potassium hydrogen phthalate), traceable to SRM from NIST and PTB pH 4.01 (25°C) CertiPUR
锌 ICP 标准液 1,000 mg/l traceable to SRM from NIST Zn(NO ) in HNO 2-3% 1000 mg/l Zn CertiPUR
钼 ICP 标准液 1,000 mg/l traceable to SRM from NIST (NH ) Mo O in H O 1000 mg/l Mo CertiPUR
硅标准液 可溯源至NIST的SRM,SiO 溶于0.5 mol/l的NaOH 1000 mg/l Si CertiPUR
钡标准液 可溯源至NIST的SRM,Ba(NO ) 溶于0.5 mol/l的HNO 1000 mg/l Ba CertiPUR
砷浓缩标准液 1000 mg As, (As2O5 in H2O) Titrisol
助融剂 di-lithiumtetraborate Spectromelt