Gas analysis—Determination of oxynitride in gases—The method of Cavity Ring-Down Spectroscopy
全国气体标准化技术委员会(SAC/TC 206)
本标准规定了采用光腔衰荡光谱法测定气体中氮氧化物的方法原理、仪器一般要求、仪器校准要求、试验步骤、结果处理和报告。
本标准适用于气体中一氧化氮和二氧化氮含量的测定，一氧化氮含量的测定范围:（1～1 000)×10-6（体积分数)、二氧化氮含量的测定范围:（0.1～1 000)×10-6（体积分数)。本标准不适用于对吸收光谱有干扰的气体。
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