Leather. Determination of sulphated total ash and sulphated water-insoluble ash
皮革硫酸盐总灰分和硫酸盐水不溶性灰分的测定
1998-11-15
KS M ISO 4047
가죽 — 황화 총 회분 및 황화 불용성 회분 측정
皮革硫酸盐总灰分和硫酸盐水不溶性灰分的测定
2023-11-16
QB/T 2719-2005
皮革 化学试验 硫酸盐总灰分和硫酸盐水不容物灰分的测定
Leather -- chemical test -- Determination of sulphate total ash and sulphate water-insoluble ash
2005-03-19
UNE-EN ISO 4047-1999
LEATHER - DETERMINATION OF SULPHATED TOTAL ASH AND SULPHATED WATER-INSOLUBLE ASH. (ISO 4047:1977)
皮革.硫酸盐总灰分和硫酸盐水不溶性灰分的测定 （ISO 4047-1977）
1999-04-19
ISO 4047-1977
Leather — Determination of sulphated total ash and sulphated water-insoluble ash
皮革与粉煤灰；硫酸盐总灰分和硫酸盐水不溶性灰分的测定
1977-11-01
DIN EN ISO 4047
Leather - Determination of sulphated total ash and sulphated water-insoluble ash (ISO 4047:1977)
皮革硫酸盐总灰分和硫酸盐水不溶性灰分的测定；德文版EN ISO 4047:1998
1998-12-01
ISO 10304-3-1997
Water quality — Determination of dissolved anions by liquid chromatography of ions — Part 3: Determination of chromate, iodide, sulfite, thiocyanate and thiosulfate
水质与灰分；离子液体色谱法测定溶解阴离子第3部分:铬酸盐、碘化物、亚硫酸盐、硫氰酸盐和硫代硫酸盐的测定
1997-08-14
ISO 10304-1-2007
Water quality — Determination of dissolved anions by liquid chromatography of ions — Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
水质与灰分；离子液体色谱法测定溶解阴离子第1部分:溴化物、氯化物、氟化物、硝酸盐、亚硝酸盐、磷酸盐和硫酸盐的测定