1、GB/T32471-2016c)注射器：1.0mL医用玻璃注射器；d)容量瓶：25mL。2.5试验条件实验室相对湿度应为(50士10)%。2.6试验方法A测定含5%95%2,6-TDI的样品2.6.1标准溶液的配制用25mL干燥的容量瓶按表1、表2或表3中规定的质量，称取2,4-TD1和2,6-TD1基准试剂，精确至0.0002g,用环己烷将各个盛有基准试剂的容量瓶稀释至刻度摇匀，即配制成宽范围TDI异构比标准系列溶液、80/20-TDI样品标准系列溶液或65/35-TDI样品标准系列溶液。表1宽范围TDI异构比标准溶液制备2,4-TDI/2,6-TDi序号2,4TD1质量/g2,6-TD1质
2、量/g异构比质量比R。10.0470.9335/950.0520.0970.88310/900.1190.1960.78420/800.2540.2950.68530/700.430.3930.58740/600.6760.4900.49050/501.0070.5880.39260/401.5080.6860.29470/302.3390.7840.19680/204.00o0.8820.09890/109.00110.9310.04995/519.00表280/20-TDI样品标准溶液制备2,4-TD1/2,6-TD1序号2,4-TD1质量/g2,6-TDI质量/g异构比质量比R,10.7350.24575.0/25.03.0020.7690.21178.5/21.53.6530.7740.20679.0/21.03.760.7790.20179.5/20.53.8850.7840.19680.0/20.04.0060.7890.19180.5/19.54.130.7940.18681.0/19.04.2690.7990.18181.5/18.54.4090.8330.14785.0/15.05.672
