妥布特罗盐酸盐标准溶液, Tulobuterol Hydrochloride Standard solution

4-羟基苯甲酸异丙酯标准溶液, Isopropyl 4-Hydroxybenzoate Standard solution

6种兽药混标溶液, 6 Veterinary Medicine Mix Solution

利血平标准溶液，5μg/ml, Reserpine

《2341农药残留测定法》30种农药混标(LC-MS/MS), Pesticide Mix 30

PCB28-d4和PCB114-d4 替代物混标(HJ715-2014)，10 mg/L, PCB-28-d4 & PCB-114-d4 Mix

倍他米松戊酸酯, Betamethasone valerate,1000ppm

去氧皮质酮, Desoxycorticosterone ,1000ppm

4-(2-溴乙基)苯甲酸, 4-(2-Bromoethyl)benzoic Acid

5-溴-3-氟-2-羟基苯甲醛, 5-Bromo-3-fluoro-2-hydroxybenzaldehyde