Browse Standards

96587+ standards in database

96587 result(s) found

GB/T 7481-1987 Abolished

水质 铵的测定 水杨酸分光光度法

Water quality--Determination of ammonium--Spectrophotometric method with salicylic acid

ICS: 13.060
1987-08-01
GB/T 7468-1987 Abolished

水质 总汞的测定 冷原子吸收分光光度法

Water quality--Determination oftotal mercury--Cold atomic absorption spectrophometry

ICS: 13.060
1987-08-01
GB/T 7490-1987 Active

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

ICS: 13.060
1987-08-01
GB/T 7493-1987 Active

水质 亚硝酸盐氮的测定 分光光度法

Water quality--Determination of nitrogen(nitrite)--Spectrophotometric method

ICS: 13.060
1987-08-01
GB/T 7492-1987 Active

水质 六六六、滴滴涕的测定 气相色谱法

Water quality--Determination ofBHC and DDT--Gas chromatography

ICS: 13.060
1987-08-01
GB/T 7491-1987 Abolished

水质 挥发酚的测定 蒸馏后溴化容量法

Water quality--Determination of volatile phenolic compounds--After distillation with bromine method

ICS: 13.060
1987-08-01
GB/T 7484-1987 Active

水质 氟化物的测定 离子选择电极法

Water quality--Determination of fluoride--Ion selective electrode method

ICS: 13.060
1987-08-01
GB/T 7483-1987 Abolished

水质 氟化物的测定 氟试剂分光光度法

Water quality--Determination of fluoride--Fluor reagent spectrophotometric

ICS: 13.060
1987-08-01
GB/T 7482-1987 Abolished

水质 氟化物的测定 茜素磺酸锆目视比色法

Water quality--Determination of fluoride--Visual colorimetry with zirconium alizarinsulfonate

ICS: 13.060
1987-08-01
GB/T 7480-1987 Active

水质 硝酸盐氮的测定 酚二磺酸分光光度法

Water quality--Determination of nitrate--Spectrophotometric method with phenol disulfonic acid

ICS: 13.060
1987-08-01
GB/T 7479-1987 Abolished

水质 铵的测定 纳氏试剂比色法

Water quality--Determination of ammonium--Nessler’s reagent colorimetric method

ICS: 13.060
1987-08-01
GB/T 7478-1987 Abolished

水质 铵的测定 蒸馏和滴定法

Water quality--Determination of ammonium--Distillation and titration method

ICS: 13.060
1987-08-01
GB/T 7474-1987 Abolished

水质 铜的测定 二乙基二硫代氨基甲酸钠分光光度法

Water quality--Determination of copper--Sodium diethyldithiocabamate spectrophotometric method

ICS: 13.060
1987-08-01
GB/T 7473-1987 Abolished

水质 铜的测定 2,9-二甲基-1,10-菲啰啉分光光度法

Water quality--Determination of copper--2,9-dimethy-1,10-phenanthroline spectrophotometric method

ICS: 13.060
1987-08-01
GB/T 7472-1987 Active

水质 锌的测定 双硫腙分光光度法

Water quality--Determination of zinc--Spectrophotometric method with dithizone

ICS: 13.060
1987-08-01
GB/T 7471-1987 Active

水质 镉的测定 双硫腙分光光度法

Water quality--Determination of cadmium--Spectrophotometric method with dithizone

ICS: 13.060
1987-08-01
GB/T 7470-1987 Active

水质 铅的测定 双硫腙分光光度法

Water quality--Determination of lead--Spectrophotometric method with dithizone

ICS: 13.060
1987-08-01
GB/T 7469-1987 Active

水质 总汞的测定 高锰酸钾-过硫酸钾消解法 双硫腙分光光度法

Water quality--Determination of the total mercury--Potassium permanganate-pootassium peralfate descomposed method--Dithizone spectrophotometric method

ICS: 13.060
1987-08-01
GB/T 7467-1987 Active

水质 六价铬的测定 二苯碳酰二肼分光光度法

Water quality--Determination of chromium(Ⅵ)--1,5 Diphenylcarbohydrazide spectrophotometric method

ICS: 13.060
1987-08-01
GB/T 7466-1987 Active

水质 总铬的测定

Water quality--Determination of total chromium

ICS: 13.060
1987-08-01
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