钛 ICP 标准液 1,000 mg/l traceable to SRM from NIST (NH ) TiF ub H O 1000 mg/l Ti CertiPUR
铽 ICP 标准液 1,000 mg/l traceable to SRM from NIST Tb(NO ) in HNO 2-3% 1000 mg/l Tb CertiPUR
锗 ICP 标准液 1,000 mg/l traceable to SRM from NIST (NH ) GeF in H O 1000 mg/l Ge CertiPUR
钾 AAS 标准液 1,000 mg/l traceable to SRM from NIST KNO in HNO 0.5 mol/l 1000 mg/l K CertiPUR
钴标准液 可溯源至NIST的SRM,Co(NO ) ,溶于0.5 mol/l的HNO 1000 mg/l Co CertiPUR
铝标准液 可溯源至NIST的SRM,Al(NO ) 溶于0.5 mol/l的HNO 1000 mg/l Al CertiPUR
氧化铜(II) powder GR for analysis ACS
铝粉 fine powder, stabilized about 2% fat
氯化钙 fused, granular about 0.5-2.0 mm for elementary analysis
85%正磷酸 分析级 EMSURE ACS, ISO, Reag. Ph Eur
85%正磷酸 分析级 EMSURE ACS, ISO, Reag. Ph Eur
氢氟酸 40% 分析级 EMSURE ISO,Reag. Ph Eur