铒 ICP 标准液 1,000 mg/l traceable to SRM from NIST Er O in HNO 2-3% 1000 mg/l Er CertiPUR
钙 ICP 标准液 1,000 mg/l traceable to SRM from NIST Ca(NO ) in HNO 2-3% 1000 mg/l Ca CertiPUR
铟标准液 可溯源至NIST的SRM,In (NO ) 溶于0.5 mol/l的HNO 1000 mg/l In CertiPUR
氯化钙 anhydrous powder Reag. Ph Eur
95-97%硫酸 分析级 (max. 0.005 ppm Hg) EMSURE ACS, ISO, Reag. Ph Eur
氨基磺酸铵 GR for analysis(用于检测血液中的磺胺药物) ACS, Reag. Ph Eur
硫酸铵 GR for analysis ACS, ISO, Reag. Ph Eur
磷酸二氢钾 anhydrous 99.995 Suprapur
助融剂 grinding and tabletting aid for X-ray fluorescence spectroscopy Spectromelt