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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
Lithium carbonate—Determination of sodium and potassium contents—Flame atomic emission spectrometric method
WITHDRAWN published on 31.3.1989
Selected format:Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride—Part 16:Determination of calcium,magnesium,copper,lead,zinc,nickel,manganese,cadmium and aluminum content—Inductively coupled plasma atomic emission spectrometry
WITHDRAWN published on 27.11.2013
Selected format:Lithium carbonate—Determination of iron and lead contents—Coprecipitation-flame atomic absorption spectrometric method
WITHDRAWN published on 31.3.1989
Selected format:Lithium carbonate—Determination of calcium, magnesium, copper, zinc, nickel, manganese and cadmium contents—Ion exchange-flame atomic absorption spectrometric method
WITHDRAWN published on 31.3.1989
Selected format:Lithium hydroxide monohydrate—Determination of lithium hydroxide content—Acid-alkali titrimetric method
WITHDRAWN published on 31.3.1989
Selected format:Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride—Part 2:Determination of lithium hydroxide content—Acid-alkali titrimetric method
WITHDRAWN published on 6.9.2013
Selected format:Lithium chloride—Determination of lithium chloride content—Potentiometric method
WITHDRAWN published on 31.3.1989
Selected format:Lithium carbonate, lithium hydroxide monohydrate and lithium chloride—Determination of sodium and potassium contents—Flame atomic absorption spectrometric method
WITHDRAWN published on 31.3.1989
Selected format:Lithium carbonate, lithium hydroxide monohydrate and lithium chloride—Determination of calcium content—Flame atomic absorption spectrometric method
WITHDRAWN published on 31.3.1989
Selected format:Lithium carbonate, lithium hydroxide monohydrate and lithium chloride—Determination of magnesium content—Flame atomic absorption spectrometric method
WITHDRAWN published on 31.3.1989
Selected format:Latest update: 2026-01-26 (Number of items: 2 257 479)
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