橡胶化工原材料检验作业指导.doc

. ..... 目录 1.白碳黑检验作业指导书····································1 2.活性碳酸钙检验作业指导书································3 3.滑石粉检验作业指导书····································4 4.陶土检验作业指导书······································6 5.促进剂TMTD检验作业指导书·····························7 6.对苯醌二肟检验作业指导书································8 7.促进剂DPTT检验作业指导书······························9 8.促进剂M检验作业指导书·································10 9.促进剂 DM检验作业指导书·······························11 10.促进剂ETU检验作业指导书······························12 11.防老剂DNP检验作业指导书······························13 12.防老剂MB检验作业指导书·······························14 13.促进剂ZDC检验作业指导书······························15 14.防老剂丁检验作业指导书································16 15.防老剂RD检验作业指导书·······························17 16.硫化剂DCP检验作业指导书······························18 17.氧化锌检验作业指导书··································19 18.活性氧化镁检验作业指导书······························20 19.TAC检验作业指导书····································21 20.碳黑检验作业指导书····································22 21.三氧化二锑检验作业指导书······························24 22.工业硬脂酸检验作业指导书······························25 23.氢氧化铝检验作业指导书································26 24.十溴二苯醚检验作业指导书······························27 25.高岭土检验作业指导书··································28 26.防老剂NBC检验作业指导书·····························29 27.备注··················································30 白炭黑检验作业指导书 PH值的测定 1.1仪器与设备 250ml烧杯、250ml容量瓶、电炉、石棉网、PH-2C型酸度计 1.2试剂 PH=7标准缓冲液 PH=4标准缓冲液 1.3技术指标 PH为6.5-7.0 1.4作业流程 取白炭黑5g于250ml烧杯中，加入100ml蒸馏水煮沸10分钟冷却至室温，移入250ml容量瓶中稀释至刻度静置分层，待溶液澄清过滤，用PH计测定其值。 2水分的测定 2.1仪器与设备 烘箱、培养皿 2.2作业流程 取白炭黑约5g（精确称重W2至0.1mg）于培养皿（精确称重W1至0.1mg）105℃中烘干3小时，取出于干燥剂中冷却称重W3（精确与0.1mg 2.3计算公式 W2-w3 水分= ———— ×100﹪ W2-w1 3.比表面积的测定 3.1仪器与设备 PH酸度计、磁力搅拌器、25ml滴定管、400ml烧杯 3.2试剂 NaCL溶液、750gNaCL溶于3000ml蒸馏水中 0.1mol/L氢氧化钠溶液 0.1mol/L盐酸溶液 3.3作业流程 取白炭黑2.50g(精确称重至0.01g)于400ml烧杯中，加入250mlNaCL溶液，将PH计的电极插入烧杯中。开动磁力搅拌器，滴加稀盐酸或氢氧化钠溶液，调至悬浮液PH=4（调节时酸盐量不计数）在不断搅拌下用0.1mol/L氢氧化钠溶液以每秒2-3滴的速度滴定。滴定到悬浮液PH=9并能保持5分钟记下读数V，同时