二硫化碳中5种苯系物(标样)  Five benzene series in carbon disulfide (standard sample)  2mL  

二硫化碳中5种苯系物(标样)  Five benzene series in carbon disulfide (standard sample)  2mL  

二硫化碳中6种苯系物(TVOC)(标样)  Six benzene Series (TVOC) in Carbon disulfide (Standard sample)  2mL  

二硫化碳中甲苯溶液标准物质  Carbon disulfide in toluene solution reference material  2mL  

甲醇中11种挥发性有机物混合溶液标准物质  11 volatile organic compounds in methanol  2mL  

甲醇中8种苯系物混合标样  Mixed standard sample of 8 benzene series in methanol  2mL  

二硫化碳中7种苯系物混合标样  Mixed standard sample of 7 benzene series in carbon disulfide  2ml  

甲醇中3种内标强化溶液标准物质EPA502/524(4-溴氟苯/1，2-二氯苯-D4/氟苯)  EPA502/524(4-bromofluorobenzene /1, 2-dichlorobenzene/D4/ fluorobenzene)  1.2mL  

正戊烷中6种苯系物混合溶液标准物质  Standard substance for mixed solution of 6 benzene series in n-pentane  2mL  

甲醇中3种苯系物混合溶液标准物质  Reference material for mixed solution of three benzene series in methanol  2mL