90%异丙醇水溶液中4种羧酸混合标准溶液  90% isopropyl alcohol aqueous solution of 4 carboxylic acids mixed standard solution  2mL  

90%异丙醇水溶液中4种羧酸混合标准溶液(套标)  Mixed standard solution of 4 carboxylic acids in 90% isopropyl alcohol aqueous solution (set label)  2mL*7支  

90%异丙醇水溶液中4种羧酸混合标准溶液  90% isopropyl alcohol aqueous solution of 4 carboxylic acids mixed standard solution  2mL  

乙腈/水中5种核苷酸混合溶液标准物质  Acetonitrile/water 5 kinds of nucleotide mixed solution standard material  2mL  

正己烷中5种脂肪酸甲酯混合溶液标准物质  Standard material for 5 fatty acid methyl esters in n-hexane mixed solution  1.2mL  

正己烷中两种反式脂肪酸甲酯(反-9-十八碳一烯酸甲酯和反-9，12-十八碳二烯酸甲酯)混合溶液标准物质  Reference material for a mixture of two trans-fatty acid methyl esters in n-hexane (methyl trans-9-12-octadecanodienoate and methyl trans-9, 12-octadecanodienoate)  1.2mL  

乙腈/水中5种核苷酸混合溶液标准物质  Acetonitrile/water 5 kinds of nucleotide mixed solution standard material  2mL  

正己烷中9种邻苯二甲酸酯类混合溶液标准物质  Nine kinds of phthalate esters in n-hexane mixed solution reference material  1.2mL  

乙醇中3种邻苯二甲酸酯类溶液标准物质  Three phthalate esters in ethanol solution reference material  1.2mL  

乙腈中6种邻苯二甲酸酯类增塑剂混合溶液标准物质  Standard material for mixed solution of 6 phthalate esters plasticizers in acetonitrile  2mL