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High purity Sichuan Chenpi Su Tongtian
Tongtian fake catnip glycoside
Theaflavin-3,3 '- Bis (2-ethylhexyl) phthalate manufacturer
Shanghai licorice chalcone C
Fluoride ion standard solution, fluoride standard solution reagent, Lovibond
Imported VOCs standard gas
Carbon-13 labeled pyridine hydrochloride -13C2
Carbon 13C labeled carbon tetrachloride 13C
Nitrogen 15N labeled potassium nitrate 15N
Nitrogen 15N labeled hydroxylamine hydrochloride -15N, nitrogen 15N labeled hydroxylamine hydrochloride -15N
Nitrogen 15N labeled ammonia water 15N
Deuterated butanediol-d4
Deuterated Kanrenone-d6
20 types of pesticide residue liquid mixed standards in cosmetics (GB/T39665-2020)
35 types of pesticide residues mixed in cosmetics (GB/T39665-2020)
Internal standard sample of Baijiu
