The operation and usage of liquid chromatograph are introduced in detail.
Instruments and equipment are an important embodiment of the ability of soil testing laboratories…
Aroma components of liquor include alcohols, esters, acids, aldehydes and ketones…
Ethylene oxide (EO) is an organic compound with the chemical formula C2H4O.
TVOC is very harmful to human body, the purpose of the test is to reduce this kind of pollution.
The headspace method uses a headspace sampler and gas chromatograph.
Three main hexaalkanes other than n-hexane in the solvent residue of edible vegetable oil were…
Terbutylhydroquinone (TBHQ) and dibutylhydroxy toluene (BHT) are antioxidants in food additives.
Tetracyclines are a class of broad-spectrum antibiotics produced by actinomycetes.
This testing method refers to the standard of “GB/T 27807-2011 curing agent for polyester powder coatings”.
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