测试样本- - -当样品是可溶性固体,取适当质量,准确称量,溶解至无水甲醇或其他合适的溶剂中。
Test Preparation - Where the specimen is a soluble solid, dissolve an appropriate quantity, accurately weighed, in anhydrous methanol or other suitable solvents.
将植物叶试样置于研钵中用无水乙醇研磨,使植物叶中叶绿素溶入乙醇中。
Sample of plant leaf was pulverized with absolute alcohol in a mortar to extract chlorophyll from the leaf.
结果表明:该磨性能稳定,试样在粉碎过程中无水分损失,测定结果符合ISO712推荐标准方法的要求。
The results showed that the property of the mill was stable, the tested grain had no moisture losses. The determining results were in accord with ISO712 standard.
应用推荐