汞 AAS 标准液 1,000 mg/l traceable to SRM from NIST Hg(NO ) in HNO 2 mol/l 1000 mg/l Hg CertiPUR
硅 AAS 标准液 1,000 mg/l traceable to SRM from NIST acidic, (NH ) SiF in H O 1000 mg/l Si CertiPUR
铅浓缩标准液 1000 mg Pb, (Pb(NO3)2 in H2O) Titrisol
铝粉 fine powder, stabilized about 2% fat
氢氧化钠(二氧化碳吸附用) granulated about 1.6-3 mm, for elementary analysis
分子筛 0.4 nm rods ~ 1.6 mm (1/16)"
分子筛 0.3nm rods ~ 1.6 mm (1/16)"
分子筛 0.4 nm beads, with moisture indicator ~ 2 mm
氯化钙 anhydrous powder Reag. Ph Eur
钼酸 85% (containing ammonium molybdate)
70%高氯酸 分析级 (max. 0.0000005% Hg) EMSURE ACS, ISO, Reag. Ph Eur
六水合硝酸镁 分析级 EMSURE ACS, Reag. Ph Eur
九水合硝酸铁 分析级 EMSURE ACS, Reag. Ph Eur
硫酸铵 GR for analysis ACS, ISO, Reag. Ph Eur