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品管查核 标准品 for checking the quality of photometric methods for ammonium, CSB and nitrogen Spectroquant®
品管查核 标准品 for checking the quality of photometric methods for chloride and CSB Spectroquant®
品管查核 标准品 for checking the quality of photometric methods for CSB, nitrate and phosphorus Spectroquant®
二噁英类标准样品
Perfluoro-7-methyloctanoic acid(全氟-7-甲基辛酸)
Sodium perfluoro-7-methyloctanesulfonate(全氟-7-甲基辛烷磺酸钠)
Sodium perfluoro-1-nonanesulfonate (全氟-1-壬烷磺酸钠)
Sodium perfluoro-1-pentanesulfonate (全氟-1-戊烷磺酸钠)
Sodium perfluoro-1-propanesulfonate 威灵顿环境实验室标准品
Potassium perfluoro-1-butanesulfonate 威灵顿环境实验室标准品