GB/T 11905-1989Water quality. Determination of calcium and magnesium. Atomic absorption spectrophotometric method (English PDF)
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Issued by
State Bureau of Technical Supervision
Level / Type
National · Recommended
Issue date
November 3, 1989
Implementation date
July 1, 1990
Scope
GB/T 11905-1989 (Water quality. Determination of calcium and magnesium. Atomic absorption spectrophotometric method) is available as an English-translated PDF.
GB/T 11905-1989 — This standard applies to the determination of groundwater, surface water and wastewater calcium and magnesium. This standard applies to the calibration range of concentration (see Table 1) and the characteristics of the relevant instrument, and the instrument with the parameters vary.
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Document preview — GB/T 11905-1989
National Standard of the People's Republic of China
- ICS
- 13.060.40
- Classification
- Z 16
Issued by: State Bureau of Technical Supervision
Contents
- What this standard covers1
- Document data2
What this standard covers
This standard applies to the determination of groundwater, surface water and wastewater calcium and magnesium. This standard applies to the calibration range of concentration (see Table 1) and the characteristics of the relevant instrument, and the instrument with the parameters vary. By concentration and dilution of the sample so that the sample analysis may be extended concentration range.
Document data
International classification (ICS): 13.060.40.
Chinese classification (CCS): Z16.
Estimated length of the Chinese original: 5,596 words.
Adopted international standard: ISO 7980-1986, MOD.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 4 pages — is available in the English PDF.
Referenced standards
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