UNE-EN ISO 6326-3:1998 天然气 硫化合物的测定 第3部分:通过电位法测定硫化氢、硫醇硫和硫化羰硫 (ISO 6326-3:1989)
NATURAL GAS. DETERMINATION OF SULFUR COMPOUNDS. PART 3: DETERMINATION OF HYDROGEN SULFIDE, MERCAPTAN SULFUR AND CARBONYL SULFIDE SULFUR BY POTENTIOMETRY. (ISO 6326-3:1989).