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Database: 365,228(8 Aug 2026)

first order spectrum

first order spectrum, Total:9 items.

The international standard classification for "first order spectrum" includes: Chemical reagents , Animal feeding stuffs , Protection against crime .

The Chinese standard classification for "first order spectrum" includes: Electrochemical, thermochemistry and optical profile type analyzer , Basic standards and general methods , Crime judging technology , Livestock and poultry feed and additive .


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

  • GB/T 21108-2007 Determination of choramphenicol in feeds—High performance liquid chromatography tandem mass spectometry
  • GB/T 19267.7-2023 Forensic sciences—Physical and chemical examination of trace evidence—Part 7: Gas chromatography-mass spectrometry
  • GB/Z 35959-2018 General rule for liquid chromatography-mass spectrometry
  • GB/T 37849-2019 Method of performance testing for liquid chromatography tandem time of flight mass spectrometry

Professional Standard - Public Safety Standards

  • GA/T 1629-2019 Paraquat detection in blood and urine for forensic science by gas chromatography and gas chromatography-mass spectrometry
  • GA/T 1652-2019 Forensic sciences-Examination methods for capsaicin,dihydrocapsaicin and nonivamide in vegetable oils-LC-MS
  • GA/T 1921-2021 Forensic sciences-Examination methods for 202 narcotic drugs and psychotropic drugs in suspected drugs-LC-MS
  • GA/T 1916-2021 Forensic sciences-Examination methods for fluoroacetate ions in biological samples-LC-MS

Anhui Provincial Standard of the People's Republic of China

  • DB34/T 2372-2015 Determination of Sodium Linear Alkylbenzene Sulfonate in Sludge and Soil by High Performance Liquid Chromatography-Tandem Mass Spectrometry