干燥用硅胶 granules, desiccant ~ 0.2 - 1 mm
一水合柠檬酸 分析级 EMSURE ACS, ISO, Reag. Ph Eur
硫酸 96% for the determination of viscosity acc. to DIN EN ISO 307
硫酸 90-91% for Gerber fat determination and determination of nitrates in milk
五水合硫酸铜 分析级 EMSURE ACS, ISO, Reag. Ph Eur
二水合氯化钙 分析级 EMSURE ACS, Reag. Ph Eur
二水合氯化钡 分析级 EMSURE ACS, ISO, Reag. Ph Eur
钡 ICP 标准液 1,000 mg/l traceable to SRM from NIST Ba(NO ) in HNO 2-3% 1000 mg/l Ba CertiPUR
砷标准液 可溯源至NIST的SRM,H AsO 溶于0.5 mol/l的HNO 1000 mg/l As CertiPUR