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.
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。
Both are toxic gases with NO2 being a highly reactive oxidant and corrosive.
其中二氧化氮气体是活性氧化剂和具有较高的腐蚀性。
这两种化合物都有腐蚀性。
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