4种香料(香兰素、甲基香兰素、乙基香兰素、香豆素)混合溶液标准物质  Standard substance of mixed solution of 4 spices (vanillin, methyl vanillin, ethyl vanillin, coumarin)  1.2mL  

甲醇中2-异丙基-3-甲氧基吡嗪溶液标准物质  Standard substance for solution of 2-isopropyl - 3-methoxy-pyrazine in methanol  1.2mL  

甲醇中2-异丁基-3-甲氧基吡嗪溶液标准物质  Standard substance for 2-isobutyl-3-methoxy-pyrazine solution in methanol  1.2mL  

甲醇中2,6-二叔丁基对甲酚(BHT)溶液标准物质  2, 6-di-tert-butyl-p-cresol (BHT) solution reference material in methanol  2mL  

甲醇中2-异丁基-3-甲氧基吡嗪溶液标准物质  Standard substance for 2-isobutyl-3-methoxy-pyrazine solution in methanol  1.2mL  

甲醇中2-异丙基-3-甲氧基吡嗪溶液标准物质  Standard substance for solution of 2-isopropyl - 3-methoxy-pyrazine in methanol  1.2mL  

甲醇中爱德万甜一水合物溶液标准物质  Reference substance for Edvan sweet monohydrate solution in methanol  2mL  

乙酸乙酯中2种氯丙醇混合溶液标准物质  Reference material for two chloropropanol mixtures in ethyl acetate  1.2mL  

乙酸乙酯中2种氯丙醇同位素混合溶液标准物质  Reference material for two chloropropanol isotope mixed solutions in ethyl acetate  1.2mL  

乙酸乙酯中2种氯丙醇同位素混合溶液标准物质  Reference material for two chloropropanol isotope mixed solutions in ethyl acetate  1.2mL