氢氧化钠溶液 (for the determination of nitrogen) for analysis
酒石酸钠 Water standard for volumetric Karl Fischer Titration (volumetric standard) apura
盐酸羟胺 for analysis (≤ 0.000001% Hg) ACS,ISO
铬 ICP 标准液 10,000 mg/l traceable to SRM from NIST Cr(NO ) in HNO 2-3% 10000 mg/l Cr CertiPUR
ICP 多元素标准液 X for surface water testing (23 elements in dilute nitric acid) CertiPUR
钪 AAS 标准液 1,000 mg/l traceable to SRM from NIST Sc O in HNO 1 mol/l 1000 mg/l Sc CertiPUR
活性碳 granular about 1.5 mm extra pure food grade
干燥剂包 silica gel with humidity indicator (orangegel) sachet: 15 x 14 cm
98-100%甲酸 分析级 EMSURE ACS, Reag. Ph Eur
65%硝酸 分析级 (max. 0.005ppm Hg) EMSURE ISO
缓冲剂 (di-sodium tetraborate), traceable to SRM from NIST and PTB pH 9.22 (20°C) CertiPUR
助融剂 (di-lithium tetraborate) Spectromelt
锑 ICP 标准液 1,000 mg/l traceable to SRM from NIST Sb O in HCl 7% 1000 mg/l Sb CertiPUR