Objective to evaluate the method of As-Ce catalysis spectrophotometry for detection of urine iodine.
目的对尿碘砷铈催化分光光度法的分析误差进行预评价。
Methods: Urinary iodine of the 426 early pregnant women was determined by chloric acid-digestion and arsenic-cerium catalysis.
方法采用酸消化-砷铈接触法测定426例早期妊娠妇女尿碘。
The butyraldehyde 1, 2-propanediol acetal is synthesized from the acetalization reaction of butyraldehyde and 1, 2-propanediol, and used iodine as catalysis.
以单质碘为催化剂，通过丁醛和1,2丙二醇反应合成了丁醛1,2丙二醇缩醛。
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