KS I ISO 21438-2-2019 工作场所空气 - 离子色谱法无机酸测定 - 第2部分:易失性的酸 除了氢氟酸(盐酸 氢溴酸和硝酸)
Workplace atmospheres ― Determination of inorganic acids by ion chromatography ― Part 2: Volatile acids, except hydrofluoric acid (hydrochloric acid, hydrobromic acid and nitric acid)