规格纯度
全部
[色谱级]
[高级纯, 试剂级, ≥99%]
[医药级, PharmPure, 欧洲药典, BP, ≥99%]
[≥99.995% metals basis]
[试剂级]
[99.9% metals basis]
[试剂级, NH3≥21%]
[98%]
[99%]
[GR]
[AR]
[AR,98%]
[0.99995]
[用于合成, NH3含量: 21 - 22%]
[药用级,Ph.Eur.,BP,E 503,99-101%]
[99.995% metals basis]
[Reagent Grade]