DZ/T 0064.57-2021Groundwater quality analysis methods. Part 57: Determination of ammonia nitrogen. Nessler's reagent spectrophotometric method (English PDF)
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DZ/T 0064.57-2021 (Groundwater quality analysis methods. Part 57: Determination of ammonia nitrogen. Nessler's reagent spectrophotometric method) is available as an English-translated PDF.
DZ/T 0064.57-2021 is the Chinese industry standard "Groundwater quality analysis methods. Part 57: Determination of ammonia nitrogen. Nessler's reagent spectrophotometric method". It is in force and replaces DZ/T 0064.57-1993.
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Document preview — DZ/T 0064.57-2021
Contents
- Document data
1 Document data
Sector: Geology (industry standard).
Status: valid, replaces DZ/T 0064.57-1993.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
Editions of DZ/T 0064.57
| Edition | Title | Revision | Status |
|---|---|---|---|
| DZ/T 0064.57-2021 | Groundwater quality analysis methods. Part 57: Determination of ammonia nitrogen. Nessler's reagent spectrophotometric method | — | Valid |
| DZ/T 0064.57-1993 | Underground water quality testing methods. Nesslerreagent colorimetric determination of ammonium ions | — | Obsolete |
This page sells the current edition, DZ/T 0064.57-2021. Earlier editions are listed for reference only.
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