Water quality. Sulphide determination. Iodometric and colorimetric method.
水质 硫化物测定 碘量法和比色法

2002-02-28

Water quality. Chromiun determination. Colorimetric method with diphenyl carbazide.
水质 铬测定 二苯碳酰肼比色法

2002-05-30

Water quality. Manganese determination. Colorimetric method with ammonic persulfate.
水质 锰的测定 过硫酸铵比色法

2002-02-28

Water quality. Silica determination. Colorimetric method with molybdic silicate.
水质 二氧化硅测定 硅钼酸盐比色法

2002-02-28

水质 铵的测定 纳氏试剂比色法
Water quality--Determination of ammonium--Nessler’s reagent colorimetric method

1987-03-06

Water quality. Determination of ammonium nitrogen. Destillation and titrimetric method, or colorimetric method.
水质 铵态氮的测定 滴定法或比色法

2002-05-30

수질 — 유리염소와 총 염소 측정방법 — 제2부: N,N-다이에틸-1,4-페닐렌다이아민 비색법
水质游离氯和总氯的测定第2部分:常规控制用N N-二乙基-1,4-苯二胺比色法

2023-07-14

수질－유리 염소와 총염소 측정방법－제2부：n,n－디에틸－1,4 페닐렌디아민 비색법
水质游离氯和总氯的测定第2部分:常规控制用n n-二乙基-1,4-苯二胺比色法

2007-06-29

Water quality — Determination of free chlorine and total chlorine — Part 2: Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes
水质 - 游离氯和总氯的测定 - 第2部分:使用N N-二乙基-1,4-苯二胺的比色法用于常规控制目的

2017-12-13

WATER QUALITY. DETERMINATION OF FREE CHLORINE AND TOTAL CHLORINE. PART 2: COLORIMETRIC METHOD USING N, N-DIETHYL-1,4-PHENYLENEDIAMINE, FOR ROUTINE CONTROL PURPOSES (ISO 7393-2:1985)
水质 游离氯和总氯的测定 第2部分:常规控制用N N-二乙基-1,4-苯二胺比色法（ISO 7393-2-1985）

2000-09-30