Sign In |Help & Support
ALL SECTORS
  • ALL SECTORS
  • GB(National Standard)
  • CB(Shipping)
  • CECS(Engineering Construction)
  • CJ(Urban Construction)
  • CY(News and Publication)
  • DB(Provincial Standard)
  • DL(Electricity & Power)
  • DZ(Geology & Mineralogy)
  • FZ(Spinning & Textile)
  • GA(Public Security)
  • HB(Aviation)
  • HG(Chemical Industry)
  • HJ(Environmental Protection)
  • JB(Machinery)
  • JC(Building Materials)
  • JG(Building & Construction)
  • JJ(Metering)
  • JT(Highway & Transportation)
  • LY(Forestry)
  • MT(Coal)
  • NB(Energy)
  • NY(Agriculture)
  • QB(Light Industry)
  • QC(Automobile & Vehicle)
  • QJ(Aerospace)
  • SH(Petrochemical)
  • SJ(Electronics)
  • SL(Water Resources)
  • SN(Commodity Inspection)
  • SY(Oil & Gas)
  • TB(Railway & Train)
  • YB(Ferrous Metallurgy)
  • YC(Tobacco)
  • YD(Telecommunication)
  • YY(Medical Device)
Database: 365,228(8 Aug 2026)

Sample purity

Sample purity, Total:25 items.

The international standard classification for "Sample purity" includes: Biology. Botany. Zoology , Analytical chemistry in general , Halogenated hydrocarbons , Carbon materials .

The Chinese standard classification for "Sample purity" includes: Basic standards and general methods , Basic organic chemicals , Environmental Condition and General Test Method , Oxide and elementary substance .


Beijing Provincial Standard of the People's Republic of China

  • DB11/T 199-2021 Regulations for Field Planting Identification of Vegetable Variety Purity

Inner Mongolia Provincial Standard of the People's Republic of China

  • DB15/T 2785-2022 SNP Marking Method for Purity Identification of Edible Sunflower Varieties

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

  • GB/T 34796-2017 Quantification and purity analysis of nucleic acid concentration in solution-Ultraviolet spectrophotometry
  • GB/T 24490-2009 Test method for purity of multi-walled carbon nanotubes
  • GB/T 34223-2017 Determination of the purity of ribonuclease and desoxyribonuclease
  • GB/T 40174-2021 Purity detection method of reagent enzymes
  • GB/T 21541-2008 Chlorinated methanes for industrial use - Determination of purity - Gas chromatography
  • GB/T 28723-2012 Determination of purity for chemicals (pharmaceuticals) - Differential scanning calorimetry (DSC)

Professional Standard - Non-ferrous Metal

Guizhou Provincial Standard of the People's Republic of China

Shanxi Provincial Standard of the People's Republic of China

  • DB14/T 124-2019 Technical regulations for field planting identification of wheat variety purity
  • DB14/T 123-2019 Technical regulations for field planting identification of corn variety purity

Group Standards of the People's Republic of China

Professional Standard - Commodity Inspection

  • SN/T 3402-2012 Identification genuineness and purity of two-line rice varieties using DNA analysis method

Xinjiang Provincial Standard of the People's Republic of China

American Society for Testing and Materials (ASTM)

  • ASTM D4453-11 Standard Practice for Handling of High Purity Water Samples
  • ASTM D4453-17 Standard Practice for Handling of High Purity Water Samples
  • ASTM D4453-91(1997) Standard Practice for Handling of Ultra-Pure Water Samples

Danish Standards Foundation

  • DS/CEN/TR 14547:2006 Sampling schemes for third party conformity assessment of fineness in precious metal articles

British Standards Institution (BSI)

  • BS DD 96:1984 Methods for sampling higher purity copper cathodes and for preparing analysis samples (reference method)

Bureau of Indian Standards