Pure and ultra-pure reagent 高纯及超纯试剂 ; 羌 ; 羯 ; 翰
extra pure reagent 超纯试剂
chemically pure reagent 化学纯试剂
chemicallyly pure reagent 化学纯试剂
analytically pure reagent 分析纯试剂
reagent pure grade 试剂纯级 ; 试剂纯级品
Sulphar and chlorine in industrial circulate water were determined by XRF with the spectrum pure reagent, in helium light way.
以光谱纯试剂做标准系列，氦气光路，X RF法测定工业循环水中硫和氯。
A chemical produced in comparatively small quantities and in a relatively pure state. Pharmaceutical and biological products, perfumes, photographic chemicals, and reagent chemicals are examples.
产量相对较少和较纯态的化学品，例如医药和生物制品、香料、照相药品和试剂化学品。
Pure water is taken as blank reagent (control) based on the result of GC-MS test;
根据GC-MS测定分析的结果，决定选纯净水作为本文实验的空白试剂。
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