Browse Standards

4355+ standards in database

4355 result(s) found

GB/T 7487-1987 Abolished

水质 氰化物的测定 第二部分:氰化物的测定

Water quality--Determinationof cyanide--Part 2:Determination of cyanide

ICS: 13.060
1987-08-01
GB/T 7489-1987 Active

水质 溶解氧的测定 碘量法

Water quality--Determination of dissolved oxygen--Iodometric method

ICS: 13.060
1987-08-01
GB/T 7488-1987 Abolished

水质 五日生化需氧量(BOD5)的测定 稀释与接种法

Water quality--Determination of biochemical oxygen demand after 5 days(BOD5)--Dilution and seeding method

ICS: 13.060
1987-08-01
GB/T 7494-1987 Active

水质 阴离子表面活性剂的测定 亚甲蓝分光光度法

Water quality--Determination of anionic surfactants--Methylene blue spectrophotometric method

ICS: 13.060
1987-08-01
GB/T 7477-1987 Active

水质 钙和镁总量的测定 EDTA滴定法

Water quality--Determination of thesum of calcium and magnesium--EDTA titrimetric method

ICS: 13.060
1987-08-01
GB/T 7476-1987 Active

水质 钙的测定 EDTA滴定法

Water quality--Determination of calcium--EDTA titrimetric method

ICS: 13.060
1987-08-01
GB/T 7475-1987 Active

水质 铜、锌、铅、镉的测定 原子吸收分光光度法

Water quality--Determination of copper, zinc, lead and cadmium--Atomic absorption spectrometry

ICS: 13.060
1987-08-01
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
Previous Page 3 of 218 Next