腐蚀性气体硫化氢的测定方法最常见的是亚甲基蓝分光光度法和碘量法，这两种测定方法都受到众多因素的影响。
The most common determining methods of corrosive gas - hydrogen sulfide are the methylene blue spectrophotometry and the iodimetry, however, these two methods are both affected by many factors.
目的：用亚甲基蓝-分光光度法检测重组生物制品中十二烷基硫酸钠（SDS）的含量。
Objective:Using methylene blue spectrophotometric method to determine the content of SDS in recombinant biological products.
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