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Standards GB - Chinese national standards - Page 8905
Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
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GB 9619.3-1988
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(Method for analysis of the electronic device silver solder. Determination of cadmium by atomic absorption spectrophotometry)
WITHDRAWN published on 1.1.1988
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GB 9619.4-1988
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(Method for analysis of the electronic device silver solder. Malachite green spectrophotometric determination of antimony)
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GB 9619.5-1988
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(Method for analysis of the electronic device silver solder. Phenanthroline Spectrophotometry)
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GB 9619.6-1988
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(Method for analysis of the electronic device silver solder. Marchand alkali - Determination of bismuth potassium iodide)
WITHDRAWN published on 1.1.1988
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GB 9619.7-1988
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(Method for analysis of the electronic device silver solder. Determination of phosphorus phosphorus molybdenum blue spectrophotometric)
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GB 9619.8-1988
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(Method for analysis of the electronic device silver solder. Determination of sulfur burning iodimetry)
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GB 9619.9-1988
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(Method for analysis of the electronic device silver solder. Lead, bismuth, zinc, cadmium, iron, magnesium, aluminum, tin and antimony-based)
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GB 9620.1-1988
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(Electron Devices silver copper brazing material analysis. Iodometry determination of copper)
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GB 9620.2-1988
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(Electron Devices silver copper brazing material analysis. Lead, bismuth, zinc, cadmium, iron, magnesium, zirconium, tin and antimony-based)
WITHDRAWN published on 1.1.1988
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GB 9620.3-1988
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(Electron Devices silver copper brazing material analysis. Catechol Violet - cetylpyridinium bromide spectrophotometry)
WITHDRAWN published on 1.1.1988
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