Grade 541: 20-25µm whatman硬化低灰定量滤纸GRADE 541 : 20-25µm 1541-042 1541-047 1541-055 1541-090 1541-110 1541-125 1541-070 1541-150 1541-185 1541-240 1541-320 1541-400 过滤速度快,用于酸或碱溶液中大颗粒和胶状沉淀物过滤,如蛋白分析,水泥分析和动物食品中纤维的测定
Fast filtration of coarse particles and gelatinous precipitates in acid/alkali solutions during gravimetric analysis. Typical applications include fibre in animal foodstuffs, gelatine in milk and cream, chloride in cement, and chloride and phosphorous in coal and coke.