50%甲醇水溶液中9种游离酚混合溶液标准物质  The standard substance of 9 kinds of free phenol mixed solution in 50% methanol aqueous solution  1.2mL  

甲苯中10种多溴联苯醚(PBDE)混合溶液标准物质  10 kinds of polybrominated diphenyl ethers (PBDE) in toluene mixed solution reference material  1.2mL  

异辛烷中2,2,5-三氯联苯(PCB18)溶液标准物质  Reference material for 2,2, 5-trichlorobiphenyl (PCB18) solution in isoctane  1.2mL  

正己烷中2,2,5-三氯联苯(PCB18)溶液标准物质  2,2, 5-trichlorobiphenyl (PCB18) solution reference material in n-hexane  1.2mL  

甲醇中4-甲基-2-戊酮(甲基异丁基甲酮)溶液标准物质  4-methyl-2-pentanone (methyl isobutyl ketone) solution reference material in methanol  1.2mL  

甲醇中2种内标(氟苯和4-溴氟苯)混合溶液标准物质  Two internal standard (fluorobenzene and 4-bromofluorobenzene) mixed solution reference material in methanol  1.2mL  

甲醇中2,4,6-三硝基苯酚(苦味酸)溶液标准物质  2,4, 6-trinitrophenol (picric acid) solution reference material in methanol  1.2mL  

乙腈中14种醛酮衍生物混合溶液标准物质(以醛酮计)  Standard substances for 14 aldehydes and ketones derivatives mixed solution in acetonitrile (calculated by aldehydes and ketones)  1.2mL  

正己烷中2,2,3,3,4,4,5,5-八氯联苯溶液标准物质  2,2,3,3,4,4,5,5 -octachlorobenzene solution reference material in n-hexane  1.2mL  

异辛烷中2,2,4,5,6-五氯联苯PCB103溶液标准物质  Reference material for 2,2,4,5, 6-pentachlorobenzene PCB103 solution in isoctane  1.2mL