| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| DZ/T 0064.20-2021 | English | 349 |
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3 days [Need to translate]
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(Groundwater quality analysis method - Part 20: Determination of copper, lead, zinc, cadmium, nickel and cobalt content Chelating resin exchange enrichment flame atomic absorption spectrophotometry)
| Valid |
DZ/T 0064.20-2021
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| DZ/T 0064.20-1993 | English | 199 |
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2 days [Need to translate]
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(Underground water quality testing methods. Chelating resin exchange Flame Atomic Absorption Spectrometry. Determination of copper, aluminum, zinc, cadmium, nickel and cobalt)
| Obsolete |
DZ/T 0064.20-1993
|