铱 ICP 标准液 1,000 mg/l IrCl in HCl 7% 1000 mg/l Ir CertiPUR
活性炭 powder extra pure food grade
分子筛 0.4 nm beads ~ 2 mm Reag. Ph Eur
65%硝酸 分析级 (max. 0.005ppm Hg) EMSURE ISO
磷酸氢二钠 (buffer stock solution) 1/15 mol/l
UV/VIS 校正标准品 2 -- 迷光 for stray light testing according to Ph Eur
钠 rod diameter 2.5 cm (protective liquid: paraffin oil)
溴化钾 分析级 EMSURE ACS, Reag. Ph Eur
十二水合硫酸铁铵 分析级 EMSURE ACS, ISO, Reag. Ph Eur
硒浓缩标准液 1000 mg Se, (SeO2 in HNO3) Titrisol
三水合六氰亚铁酸钾 分析级 EMSURE ACS, ISO, Reag. Ph Eur
溴离子 IC 标准液 1,000 mg/l Br- traceable to SRM from NIST NaBr in H O 1000 mg/l Br CertiPUR
30%过氧化氢 (Perhydrol )分析级 EMSURE ISO