N,N-二甲基甲酰胺中偶氮甲酰胺(偶氮二甲酰胺)溶液标准物质  N,N- dimethylformamide in azoformamide (azodicarbonamide) solution reference material  1.2mL  

乙醇中维生素D2溶液标准物质  Vitamin D2 solution standard substance in ethanol  2mL  

乙醇中维生素A溶液标准物质  Vitamin A solution standard substance in ethanol  2mL  

甲醇中四氯对苯二甲酸标准物质  Reference material for tetrachloro-terephthalic acid in methanol  2mL  

甲醇中四氯对苯二甲酸标准物质  Reference material for tetrachloro-terephthalic acid in methanol  2mL  

甲醇中四氯对苯二甲酸标准物质  Reference material for tetrachloro-terephthalic acid in methanol  2mL  

乙腈中玉米赤霉烯酮(ZEN)溶液标准物质  Zearalenone (ZEN) solution in acetonitrile  1.2mL  

甲醇中1,2-二氯苯-d4标准物质  1, 2-dichlorobenzene -d4 reference material in methanol  1.2mL  

乙腈/甲醇中24种偶氮染料混合溶液标准物质  Standard material of 24 azo dyes mixed solution in acetonitrile/methanol  1.2mL  

乙腈/甲醇中26种偶氮染料混合溶液标准物质  Standard material of 26 azo dyes mixed solution in acetonitrile/methanol  1.2mL