Zhaoyuan Chenming Chemical Co., Ltd.   

1) the yellow powder 2), the fluorescence intensity (equivalent to the standard product), 100 points 3) the whiteness (the difference between the whiteness of the standard product and the white matter of the standard sample or WCTE standard sample whiteness% or WCTE) is equal to -34) moisture,% less than 5.05) the fineness (the amount of residue through 250UM pore size),%% less than 106) the mass fraction of water insoluble matter,%% less than 5 performance characteristics: 1. water soluble, soluble in 3 to 5 times volume of boiling water, each liter of boiling water can dissolve 300g, cold water dissolved 150g or so, 2. is not sensitive to hard water, Ca2+, M