Chinese Standard: GB/T 5831-2011

Determination of trace oxygen in the gases—Colorimetric method

全国气体标准化技术委员会(SAC/TC 206)

本标准规定了气体中微量氧的比色测定方法。
本标准适用于氢、氮、氩、氦、氖、氪、氙、甲烷以及其他不与一价铜氨络离子和氨发生反应的气体中氧含量的测定。测定范围：0.5×10-6～1 000×10-6（体积分数）。

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