含铁尘泥 氧化铝含量的测定 EDTA滴定法
Ferric-containing dust and sludge—Determination of aluminium oxide content—EDTA titrimetric method
2021-05-17
YB/T 4726.3-2021
含铁尘泥 二氧化钛含量的测定 二安替吡啉甲烷分光光度法
Ferric-containing dust and sludge—Determination of titanium dioxide content—Diantipyrylmethane spectrophotometric method
2021-05-17
YB/T 4726.6-2021
含铁尘泥 硫含量的测定 红外线吸收法
Ferric-containing dust and sludge—Determination of sulfurcontent—The infrared absorption method
2021-03-05
YB/T 4726.12-2021
含铁尘泥 氧化锰含量的测定 高碘酸钾(钠)分光光度法
Ferric-containing dust and sludge—Determination of manganese oxide content-The potassium periodate (sodium) spectrophotometric method
2021-05-17
YB/T 4726.7-2021
含铁尘泥 全铁含量的测定 三氯化钛还原重铬酸钾滴定法
Ferric-containing dust and sludge—Determination of totaliron content-Titanium (Ⅲ) chloridereductionpotassium dichromate titration method
2021-03-05
YB/T 4726.11-2021
含铁尘泥 氧化亚铁含量测定 重铬酸钾滴定法
Ferric-containing dust and sludge—Determination of iron (Ⅱ) oxide content—Potassium dichromate titrimetric method
2021-05-17
YB/T 4726.4-2021
含铁尘泥 硅含量的测定 硫酸亚铁铵还原-硅钼蓝分光光度法
Ferric-containing dust and sludge—Determination of siliconcontent—Silicomolybdic blue spectrophotometric methodreduced by ammonium ferrous sulfate