Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Position: Search valid to be valid superseded to be superseded abolished to be abolished
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DZ/T 0064.46-1993 Groundwater quality test methods - the determination of bromide with dibromo phenolphthalein colorimetric method $110.00 via email in 1~3 business day superseded
DZ/T 0064.46-2021 Methods for analysis of groundwater quality- Part 46: Determination of bromide- Bromophenol red spectrophotometry $255.00 via email in 1~3 business day valid
DZ/T 0064.47-1993 Groundwater quality test methods - the determination of free carbon dioxide with titrimetry $110.00 via email in 1~3 business day superseded
DZ/T 0064.47-2021 Methods for analysis of groundwater quality-Part47: Determination ofthe free carbon dioxide-Titration $210.00 via email in 1~3 business day valid
DZ/T 0064.48-1993 Groundwater quality test methods - the determination of corrosive cabon dioxide with titrimetry $30.00 via email in 1~3 business day superseded
DZ/T 0064.48-2021 $255.00 via email in 1~3 business day valid
DZ/T 0064.49-1993 Groundwater quality test methods - the determination of carbonate, heavy carbonate and hydroxyl $104.00 via email in 1~3 business day superseded
DZ/T 0064.49-2021 Methods for analysis of groundwater quality-Part 49:Determination of carbonate,bicarbonate ions,hydroxy-Titrimetric method $210.00 via email in 1~3 business day valid
DZ/T 0064.5-1993 Groundwater quality test methods - the determination of PH value with glass electrode method $244.00 via email in 1~3 business day abolished
DZ/T 0064.5-2021 Methods for analysis of groundwater quality- Part 5: Determination of pH - Glass electrode method $255.00 via email in 1~3 business day valid
DZ/T 0064.50-1993 Groundwater quality test methods - the determination of chloride with argentometric titration $224.00 via email in 1~3 business day abolished
DZ/T 0064.50-2021 Methods for analysis of groundwater quality- Part 50: Determination of chloride- Argentometric titrimetric method $210.00 via email in 1~3 business day valid
DZ/T 0064.51-1993 Groundwater quality test methods - the determination of chloridion, fluorinion, bromide ion, nitrate radical and sulfate radical with ion chromatography method $264.00 via email in 1~3 business day superseded
DZ/T 0064.51-2021 Methods for analysis of groundwater quality- Part 51: Determination of chloride, fluoride, bromide, nitrate and sulfate- Ion chromatography $210.00 via email in 1~3 business day valid
DZ/T 0064.52-1993 Groundwater quality test methods - the determination of cyanide with pyridine-pyrazolone colour comparimetry $244.00 via email in 1~3 business day abolished
DZ/T 0064.52-2021 Methods for analysis of groundwater quality- Part 52: Determination of cysnide- Pyridine-pyrazolone spectrophotometry $255.00 via email in 1~3 business day valid
DZ/T 0064.53-1993 Groundwater quality test methods - the determination of fluoride with alizarin complexant colour comparimetry $244.00 via email in 1~3 business day superseded
DZ/T 0064.53-2021 Methods for analysis of groundwater quality- Part 53: Determination of fluoride- Alizarin complexone spectrophotometry $255.00 via email in 1~3 business day valid
DZ/T 0064.54-1993 Groundwater quality test methods - the determination of fluoride with Ion selective electrode method $60.00 via email in 1~3 business day superseded
DZ/T 0064.54-2021 Methods for analysis of groundwater quality- Part 54: Determination of fluoride- Ion-selective electrode method $255.00 via email in 1~3 business day valid
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