十水合硫酸钠 分析级 EMSURE ACS, Reag. Ph Eur
九水合硝酸铁 分析级 EMSURE ACS, Reag. Ph Eur
氢氧化钠 片状 GR for analysis (max. 0.0002% K) ACS, Reag. Ph Eur
助融剂 lithium metaborate Spectromelt
镉 ICP 标准液 1,000 mg/l traceable to SRM from NIST Cd(NO ) in HNO 2-3% 1000 mg/l Cd CertiPUR
ICP 多元素标准液 V for wavelength calibration CertiPUR
钛 AAS 标准液 1,000 mg/l traceable to SRM from NIST (NH ) TiF in H O 1000 mg/l Ti CertiPUR
磷酸盐 IC 浓缩标准液 for 1000 mg PO43-, (H3PO4 in H2O) Titrisol
甲醛 stabilized with about 10% methanol Ph Eur,BP,USP
硅酸 precipitated extra pure heavy
氯化钙 anhydrous, granular ~ 2 - 6 mm
干燥用硅胶 granules, desiccant ~ 0.2 - 1 mm