Materials The Acacia pennata fiber was treated using destilled water, NaOH pellets, and a potassium permanganate pellets in acetone. This was acquired from Premier Chemicals in Nagercoil, Kanniyakumari district, Tamil Nadu, India. Extraction method of Acacia pennata fiber from the plant Acacia pen...
ZHULIN Pharmacy Virgin powder activated carbon 25kg powdered/pulverized activated carbon price for color & sugar treatment $2.70 Min. order: 1 kilogram Factory price coal based column activated carbon for gold mining $847.00 - $1,078.00 Min. order: 1 ton Bulk Coconut shell Activated Charcoal F...
为了测定三草酸合铁酸钾的组成,准确量取一定量的试液于锥形瓶中,用KMnO4标准溶液滴定,所消耗标准溶液体积为V1,可测定( )含量;另取相同量的试样于锥形瓶中,用联合还原剂把( )还原为( ),加入MnSO4滴定液,用KMnO4标准溶液滴定,所用标液体积为V2,可测定Fe3+和草酸根的总量,则n(Fe3+)和n(草酸根)的比值...