Cookies
We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
Standards GB - Chinese national standards - Page 140
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
Price display: excl. VAT
Displayed currency:
USD
Sort by:
GB/T 11886-2015
Show all technical information.
Silver jewellery alloys—Determination of sliver—Volhard method
Standard published on 2.6.2015
Selected format:Show all technical information.
GB 11887-2012
Show all technical information.
Jewellery - Fineness of precious metal alloys and designation
Standard published on 5.11.2012
Selected format:Show all technical information.
GB/T 11888-2021
Show all technical information.
Jewellery—Ring-size—Definition, measurement and designation
Standard published on 11.10.2021
Selected format:Show all technical information.
GB/T 11889-1989
Show all technical information.
Water quality--Determination of aniline compounds--Spectrophotometric method with N-(1-naphthyl) ethy lenediamine
Standard published on 3.11.1989
Selected format:Show all technical information.
GB/T 11891-1989
Show all technical information.
Water quality--Determination of Kjeldahl nitrogen
Standard published on 3.11.1989
Selected format:Show all technical information.
GB/T 11892-1989
Show all technical information.
Water quality--Determination of permanganate index
Standard published on 3.11.1989
Selected format:Show all technical information.
GB/T 11893-1989
Show all technical information.
Water quality--Determination of total phosphorus--Ammonium molybdate spectrophotometric method
Standard published on 3.11.1989
Selected format:Show all technical information.
GB/T 11895-1989
Show all technical information.
Water quality--Determination of benzo(a)-pyrene--Acetylated paper chromatography with fluorescence spectrophotometric method
Standard published on 3.11.1989
Selected format:Show all technical information.
GB/T 11896-1989
Show all technical information.
Water quality--Determination of chloride--Silver nitrate titration method
Standard published on 3.11.1989
Selected format:Show all technical information.
GB/T 11899-1989
Show all technical information.
Water quality--Determination of sulfate--Gravimetric method
Standard published on 3.11.1989
Selected format:Show all technical information.
Can we help you with something?
