二羟基丁酸 质谱检测标准

GC-MS and LC-MS/MS examination methods for γ-hydroxybutyric acid in biological samples

Surface chemical analysis—Secondary-ion mass spectrometry—Repeatability and constancy of the relative-intensity scale in static secondary-ion mass spectrometry

Determination of benzophenone and methyl p-hydroxybenzoate in aquatic products for export - LC-MS/MS method

Surface chemical analysis—Secondary-ion mass spectrometry—Method for depth profiling of boron in silicon

Surface chemical analysis—Secondary ion mass spectrometry—Calibration of the mass scale for a time-of-flight secondary ion mass spectrometer

Surface chemical analysis—Secondary-ion mass spectrometry—Method for depth profiling of arsenic in silicon

Determination of phthalate plasticizers content in coatings―Gas chromatography/mass spectrometry method

Test method for measuring boron contamination in heavily doped n-type silicon substrates by secondary ion mass spectrometry

Determination of acequinocyl and hydroxyacequinocyl residues in food for export - LC-MS/MS method

Test method for measuring surface sodium,aluminum,potassium,and iron on silicon and epi substrates by secondary ion mass spectrometry

Determination of phthalates in electrical and electronic equipments - Gas chromatography-mass spectrometry

Test method for measuring nitrogen concentration in silicon substrates by secondary ion mass spectrometry

Method for determination of 1,2-dichloroethane in blood by gas chromatography-mass spectrometry

Test method for measuring Phosphorus, Arsenic and Antimony in silicon materials used for photovoltaic applications by secondary ion mass spectrometry

Determination of musk xylene in detergent products-Gas chromatography-tandem mass spectrometry