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(1)热辊法热辊法是由热辊使所有挥发份达到挥发时对试样进行出片的方法,对通过辊筒后的重量减少份进行计算作为挥发份。热辊法有A法和B法两种。A法是先将约250g的试样在辊温70℃、辊距1.3mm条件下反复通过10次进行
(1) Hot-roll method The hot-roll method is a method in which a sample is taken out when all the volatiles are volatilized by a hot roller. The weight-reduced portion after passing through the roll is calculated as a volatile matter. Hot roller method A method and B method two. Method A is to first test a sample of about 250 g at a roll temperature of 70 ° C. and a roll distance of 1.3 mm repeatedly through 10 times