GB/T 12687.4-1990Chemical analysis of nitrate of rare earth for agriculture - Determination of mercury content-Flame atomic absorption spectrophotometric method (English PDF)
农用硝酸稀土化学分析方法 火焰原子吸收光谱法测定汞含量
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
January 1, 1990
Implementation date
January 1, 1990
Scope
GB/T 12687.4-1990 is the English-translated version of 农用硝酸稀土化学分析方法 火焰原子吸收光谱法测定汞含量.
GB/T 12687.4-1990 is the Chinese standard "Chemical analysis of nitrate of rare earth for agriculture - Determination of mercury content-Flame atomic absorption spectrophotometric method".
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Document preview — GB/T 12687.4-1990
Contents
- Document data
1 Document data
Sector: National Recommended.
Standard type: recommended.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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Related Standards
GB/T 12687.3-2010 — Chemical analysis methods of rare earth nitrate for growth regulator for plant -- Part 3: Determination of the water insoluble matter content -- Gravimetry
GB/T 12687.2-2010 — Chemical analysis methods of rare earth nitrate for growth regulator for plant -- Part 2: Determination of chlorine content
GB/T 12687.1-2010 — Chemical analysis methods of rare earth nitrate for growth regulator for plant-Part 1:Determination of arsenic mercury lead cadmium and chromium contents-Inductively coupled plasma m
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GB/T 12687.4-1990
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