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 pretreatment method

Sample pretreatment method, Total:20 items.

The international standard classification for "Sample pretreatment method" includes: Water quality , Tobacco, tobacco products and related equipment .

The Chinese standard classification for "Sample pretreatment method" includes: Analysis methods for toxic substances in water , Tobacco curing in general .


Professional Standard - Water Conservancy

  • SL 391.10-2007 sample preparation methods for organic analysis-part 10:sulfuric acid/permanganate cleanup
  • SL 391.5-2007 sample preparation methods for organic analysis-part 5:alumina cleanup
  • SL 391.8-2007 sample preparation methods for organic analysis-part 8:acid-base partition cleanup
  • SL 391.6-2007 sample preparation methods for organic analysis-part 6:florisil cleanup
  • SL 391.7-2007 sample preparation methods for organic analysis-part 7:silica gel cleanup
  • SL 391.4-2007 sample preparation methods for organic analysis-part 4:accelerated solvent extraction(ase)
  • SL 391.1-2007 sample preparation methods for organic analysis-part 1:liquid-liquid extraction
  • SL 391.9-2007 sample preparation methods for organic analysis-part 9:sulfur cleanup
  • SL 391.3-2007 sample preparation methods for organic analysis-part 3:solid-phase extraction(spe)
  • SL 391.2-2007 sample preparation methods for organic analysis-part 2:soxhlet extraction
  • SL 391-2007 Sample preparation methods for organic analysis

Professional Standard - Tobacco

Professional Standard - Agriculture