莠去通标准溶液, Atratone Standard solution

叔丁基对羟基苯甲醚(含2-和3-异构体)(BHA)标准溶液, tert-Butyl-4-hydroxyanisole (mixture of 2- and 3-isomer) St

丙烯酰胺-13C3, Acrylamide-13C3,1000ppm

喹烯酮, Quinocetone,1000ppm

宁南霉素, Ningnanmycin,1000ppm

2-甲酰基吗啉-4-羧酸叔丁酯, tert-Butyl 2-formylmorpholine-4-carboxylate

2-羟基-4-二苯甲酮-5-磺酸标准溶液, 2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid Standard sol

黄曲霉素M2标准溶液, Aflatoxin M2 Standard solution

乙酸乙酯中23种农药混标溶液(2020年农业部例行监测农残，GC-MS检测), Pesticide Mix 23

苯丙酸诺龙甲醇溶液, nadrolone phenylpropionate,1000ppm