reagent-grade

常見(jiàn)例句

• Unless reagent grade sucrose is available use cane sugar.
  如果沒(méi)有試劑級(jí)的蔗糖，可以用甘蔗糖。
• Reagent pure phosphato-tungstic acid was prepared by reacting sodium tungstate with dis-odium hydrogen phosphate and acidifying with hydrochloric acid.
  由鎢酸鈉與磷酸氫二鈉反應(yīng)，再經(jīng)鹽酸酸化制得了試劑級(jí)的磷鎢酸。
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