GB/T 7490-1987
水质 挥发酚的测定 蒸馏后4-氨基安替比林分光光度法
Water quality--Determination of volatile phenolic compounds--After distillation by means of 4-AAP spectrophotometric method
- 实施日期
- 1987-08-01
- ICS 分类
- 13.060
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 7490-1987
Water quality--Determination of volatile phenolic compounds--After distillation by means of 4-AAP spectrophotometric method
GB/T 7493-1987
Water quality--Determination of nitrogen(nitrite)--Spectrophotometric method
GB/T 7492-1987
Water quality--Determination ofBHC and DDT--Gas chromatography
GB/T 7491-1987
Water quality--Determination of volatile phenolic compounds--After distillation with bromine method
GB/T 7484-1987
Water quality--Determination of fluoride--Ion selective electrode method
GB/T 7483-1987
Water quality--Determination of fluoride--Fluor reagent spectrophotometric
GB/T 7482-1987
Water quality--Determination of fluoride--Visual colorimetry with zirconium alizarinsulfonate
GB/T 7480-1987
Water quality--Determination of nitrate--Spectrophotometric method with phenol disulfonic acid
GB/T 7479-1987
Water quality--Determination of ammonium--Nessler’s reagent colorimetric method
GB/T 7478-1987
Water quality--Determination of ammonium--Distillation and titration method
GB/T 7474-1987
Water quality--Determination of copper--Sodium diethyldithiocabamate spectrophotometric method
GB/T 7473-1987
Water quality--Determination of copper--2,9-dimethy-1,10-phenanthroline spectrophotometric method
GB/T 7472-1987
Water quality--Determination of zinc--Spectrophotometric method with dithizone
GB/T 7471-1987
Water quality--Determination of cadmium--Spectrophotometric method with dithizone
GB/T 7470-1987
Water quality--Determination of lead--Spectrophotometric method with dithizone
GB/T 7469-1987
Water quality--Determination of the total mercury--Potassium permanganate-pootassium peralfate descomposed method--Dithizone spectrophotometric method
GB/T 7467-1987
Water quality--Determination of chromium(Ⅵ)--1,5 Diphenylcarbohydrazide spectrophotometric method
GB/T 7466-1987
Water quality--Determination of total chromium
GB/T 6920-1986
Water quality--Determination of pH value--Glass electrode method
GB/T 6816-1986
Water quality--Vocabulary--Part 1 and part 2