供应sigma标准品 陕西西安昭华

我公司代理世界著名的分析产品制造商-美国Sigma-Aldrich集团公司（含Sigma、Supelco、RdH、Fluka、Aldrich公司色谱产品、化学试剂、标准品。 黄曲霉毒素标样Aflatoxins  
  
黄曲霉毒素混样    Aflatoxin Mix each ampoule contains 1 g B1, 1 g G1, 0.3 g G2 in benzene:acetonitrile (98:2)     g B2, and 0.3         S46300-U     5 x 1 ml  
黄曲霉毒素混样    Aflatoxin Mix each ampoule contains 1 g G2 in methanol     g B1, 1     g G1, 0.3     g B2, and 0.3         S46303     5 ml  
黄曲霉素B1     Aflatoxin B1     solution, 3     g/ml in benzene:acetonitrile (98:2)         1162-65-8     S46323-U     1 ml  
黄曲霉素B2     Aflatoxin B2     solution, 3     g/ml in benzene:acetonitrile (98:2)         7220-81-7     S46324-U     1 ml  
黄曲霉素G1     Aflatoxin G1     solution, 3     g/ml in benzene:acetonitrile (98:2)         1165-39-5     S46325-U     1 ml  
黄曲霉素G2     Aflatoxin G2     solution, 3     g/ml in benzene:acetonitrile (98:2)         7241-98-7     S46326-U     1 ml  
黄曲霉素M1     Aflatoxin M1     solution, 10     g/ml in acetonitrile         6795-23-9     S46319-U     1 ml  
黄曲霉素M2     Aflatoxin M2     solution, 1     g/ml in acetonitrile         6885-57-0     S46910-U     1 ml  
黄曲霉素混样测试盒Aflatoxin Mix Kit each ampoule contains 1 g G2 in methanol     g B1, 1     g G1, 0.3     g B2, and 0.3         S46304-U     5 x 1 ml  
抗微生物标样Antimicrobials                     
苯甲酸    Benzoic acid     neat, standard for Food & Bev., purity: > 96%     65-85-0     S47849     1 g  
苯甲酸钠    Sodium benzoate     neat, standard for Food & Bev.     532-32-1     S47850     1 g  
羟苯甲酯    Methyl Paraben     neat, standard for Food & Bev., purity: > 96%     99-76-3     S47889     1 g  
山梨酸    Sorbic acid     neat, standard for Food & Bev., purity: > 96%     110-44-1     S47845     1 g  
山梨酸钾    Potassium sorbate     neat, standard for Food & Bev.     590-00-1     S47848     1 g   抗氧化剂标样Antioxidants