焦炉煤气 氰化氢含量的测定 硝酸银滴定法
Coke oven gas - Determination of the hydrogen cyanide content - Silver nitrate titration method

2015-07-14

Natural gas. Upstream area. Determination of hydrogen sulfide content by laser absorption spectroscopy
天然气 上游地区 激光吸收光谱法测定硫化氢含量

2018-10-19

Natural gas — Upstream area — Determination of hydrogen sulfide content by laser absorption spectroscopy
天然气.上游区域.用激光吸收光谱法测定硫化氢含量

2018-10-16

Natural gas — Determination of sulfur compounds — Determination of hydrogen sulfide content by UV absorption method
天然气含硫化合物的测定紫外线吸收法测定硫化氢含量

2024-02-29

天然气 含硫化合物的测定 第2部分：用亚甲蓝法测定硫化氢含量
Natural gas—Determination of sulfur compound—Part 2: Determination of hydrogen sulfide content by methylene blue method

2023-05-23

天然气 含硫化合物的测定 第13部分：用紫外吸收法测定硫化氢含量
Natural gas—Determination of sulfur compound—Part 13：Determination of hydrogen sulfide content by ultraviolet absorption method

2023-05-23

天然气 含硫化合物的测定 第1部分：用碘量法测定硫化氢含量
Natural gas—Determination of sulfur compound—Part 1: Determination of hydrogen sulfide content by iodometric titration method

2023-05-23

天然气 含硫化合物的测定 第12部分：用激光吸收光谱法测定硫化氢含量
Natural gas—Determination of sulfur compound—Part 12: Determination of hydrogen sulfide content by laser absorption spectroscopy

2023-05-23

天然气 含硫化合物的测定 第11部分：用着色长度检测管法测定硫化氢含量
Natural gas—Determination of sulfur compounds－Part 11: Determination of hydrogen sulfide content by length-of-stain detector tubes method

2014-02-19

天然气 含硫化合物的测定 第3部分：用乙酸铅反应速率双光路检测法测定硫化氢含量
Natural gas─Determination of sulfur compound─Part 3:Determination of hydrogen sulfide content by lead acetate reaction rate dual photo path method

2018-09-17