separation-preconcentration

英 [sepə'reɪʃnpriːkənsentr'eɪʃn] 美 [sepə'reɪʃnpriːkənsentr'eɪʃn]

• 分离富集

separation-preconcentration的用法和样例：

例句

1. Trace cadmium in the calcium salt reagents was determined by flame atomic absorption spectrometry after separation and enrichment with sulfhydryl cotton.
   采用巯基棉分离富集钙盐试剂中的痕量镉，用火焰原子吸收光谱法进行测定。