粉状洗涤剂表观密度仪
型号:ZKWN-13173
粉状洗涤剂 表面活性剂表观密度测试仪,体积称量法密度仪
标准:
GB/T 13173-2009 ISO1064:1974
原理:
在规定条件下,将试样从一个具有规定形状的漏斗中漏下,装满一个已知容积的受容器后,测定此粉体的质量。
粉状洗涤剂表观密度仪概述:
适用于自由流动的粉体,当使用合适的漏斗时,也适用于有结块趋势的粉体.若粉体中带有团块,则只有当这团块易于松散,且有不致使粉体的颗粒破碎的情况下,本设备才是适用的
技术要求:
1、整体个漏斗材料为不锈钢制作,确保粉体所接触的表面是光滑的,且不允许产生静电
2、测定自由流动粉体时,漏斗下口径40mm,上口径108mm,高度130mm
3、测定有结块趋势的粉体时, 漏斗下口径60mm,上口径112mm,高度100mm
4、受料器容积:500ML±0.5ML,取样量:510-550ML
5、支架,能使漏斗和受料器对应定位
6、漏斗出口自带截止板/挡板,方便放置粉末
测试步骤:
1. 将漏斗放到支架上面,称量过的容器放在下地板的位置。
2. 用截止板遮住漏斗的下口,将试样倒入漏斗,直至其上边缘,然后迅速移去截止板,让漏斗中的粉末随即流入收料器并*溢出
3. 用不锈钢尺子沿着受料器的上口边缘,小心地粉体刮平,然后去称重m2.天平精度到0.01g
4. 根据计算公式密度=(M2-M1)/V算出粉体的表观密度
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