国华试剂 麦克林 aladdin 罗恩 Adamas/阿达玛斯 毕得医药 leyan/乐研 TCI yuanye 玻尔 毕佳索 Alfa sigma-aldrich hanhong

99% 99%RG 99%, 99.0% 99-100.5% (calc. to the dried substance) 99-100.5%(calc.tothedriedsubstance) AR，99% ≥99% 99+% ≥99.0% (AT) 99+%,pure,anhydrous 99.5% min ≥99.5%ACSreagent, ≥99.5%,ACSreagent ≥99.5% 99.9%(metals basis) 99.9% 99.99%RG 99.99% metals basis 99.99% 99.99%（高纯试剂） ≥99.99% trace metals 99.999% trace metals 99.999% metals basis 99.999% trace metalsanhydrous, AR,99.5% anhydrous, pure, 99+%RG Ph. Eur.,BP,USP,99-100.5% extra pure, 99.999%RG 超干,99.98%(metals basis) 超干,99.99%(metals basis) 超干,99.999%(metals basis) 超干级, 99.99% metals basis ACS,≥99.5% 0.9999 10g/L, 介质: H2O

500ml 1g 1G 1KG 1kg 1GR 2kg 2.5KG 2.5kg 5g 5G 5GR 6X500G 10G 10KG 10kg 10GR 12KG 25g 25G 25kg 100g 100G 100GR 250g 250GR 300G 500g 500G 1000g 2500g