默克merck 1.02400.0080 80g 鄰-苯二甲酸氫鉀二級(jí)標(biāo)準(zhǔn)品
Potassium hydrogen phthalate Volumetric standard, secondary reference material for alkalimetry, traceable to NIST Standard Reference Material (SRM) Certipur? Reag. Ph Eur,Reag. USP. CAS 877-24-7, pH 4
- 品牌: 默克merck
- 型號(hào): 1.02400.0080
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