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

97.0% 98% 98+% 99% 99%+RG 99.9% metals basis 99.9% trace metals basis 99.9% 99.99% metals basis 99.99% trace metalsanhydrous, 99.999% trace metalsanhydrous, 99.999% (metals basis) 99.999% (metals basis)超干 99.999% metals basis 99.999%,超干（高纯试剂） 超干,99.999%(metals basis) anhydrous, pure, 99%RG 无水,99.95%(metals basis) 超干,99%(metals basis) anhydrous, 99.95% (metals basis) 超干, 99% (metals basis) 超干, 99%metals basis 超干, 99.999% metals basis 超干级, 99%metals basis 超干级, 99.999% metals basis Water＜10 ppm(by K.F.),99.99%(metal basis),SafeDry, ampuleSafeDry,超干,安瓿瓶

1g 2g 2.5kg 5g 5G 10G 10g 25g 25G 50g 50G 50GR 100g 250g 250G 250GR 500g