Standard No.:	GB/T 5832.3-2011
English Name:	Determination of moisture in gases—Part 3:The method of Cavity Ring-Down Spectroscopy
Chinese Name:	气体中微量水分的测定 第3部分：光腔衰荡光谱法
Chinese Classification:	G86    Industrial gas and chemical gas
Professional Classification:	GB    National Standard
ICS Classification:	71.040.40 71.040.40    Chemical analysis 71.040.40
Source Content Issued by:	AQSIQ;SAC
Issued on:	2011-12-30
Implemented on:	2012-10-1
Status:	to be superseded
Superseded by:	GB/T 5832.3-2025 Gas analysis—Determination of moisture in gases—Part 3:The method of cavity ring-down spectroscopy
Superseded on:	2026-5-1
Target Language:	English
File Format:	PDF
Word Count:	4000 words
Translation Price(USD):	100.0
Delivery:	via email in 1~3 business day

本部分规定了采用光腔衰荡光谱法测定气体中微量水分的术语和定义、方法原理、对仪器的一般要求、试验步骤、结果处理和报告。
本部分适用于含量的体积分数为0.2×10-9~20×10-6的气体中水分的测定。不适用于硅烷等遇光照易分解及含有对水的吸收光谱有干扰的组分的气体中水分的测定。