colorimetric determination

基本解釋

An effective method was developed for determination of formaldehyde in detergent by using steam distillation extracting combined with acetylacetone -colorimetric method.
用水蒸氣蒸餾法提取了春季及夏季產(chǎn)玉蘭葉和花的揮發(fā)油，用氣相色譜-質(zhì)譜聯(lián)用技術(shù)對揮發(fā)油進(jìn)行了成分分析。
The results of colorimetric determination in natural water are equal to 81% of TOC analyzer. The trend of DOC by colorimetric determination is similar to that of TOC analyzer in soil extractant.
天然水體中水溶性有機(jī) 碳比色法測定結(jié)果相當(dāng)于TOC儀測定結(jié)果的81%，而土壤溶液中有機(jī) 碳比色結(jié)果的趨勢與TOC儀測定結(jié)果趨勢一致。
ObjectiveTo establish the colorimetric assay for the content determination of total saponins in Pfaffia paniculata, which can be used for the quality control of Pfaffia paniculata.
目的建立比色法測定琺菲亞中總皂苷的含量，為琺菲亞的質(zhì)量控制提供依據(jù)。