Fann 35 viscosity was determined by hydrating 2 . 4 grams of powder in 500 ml of di water in a waring blender at 2800 rpm for 1 minutes and measuring on fann 35 viscometer at 300 rpm Fann 35黏度是使用韦林氏搀合器在2800转/分速度下将2 . 4克瓜尔胶粉溶解于500毫升去离子水中,分散1分钟后使用方氏同心圆筒粘度计在转速为300转/分时测得的。