Description

[Properties] Colorless transparent tetragonal crystal, molecular weight:**5.*3, relative density:1.***3(*9°C), melting point:**0°C. Free soluble in water, slightly soluble in alcohol and insoluble in acetone. [Main use] Prepare high efficient nitrogen/phosphor compound fertilizer. Can be used as fire retardant for wood, paper and fabric, dispersant for fiber processing and dyes technique. [Quality index] 1.Appearance: white granule or powder ***** nutrition(valid phosphor+nitrogen):% ≥*5 3.Valid phosphor (EDTA soluble phosphor):% ≥*4 4. Water content(powdery):% ≤5.0, water content(granular): % ≤1.5 *****:ⅠΦ **4mm% ≥*0 ⅡΦ **3mm% ≥*0 ⅢΦ **4mm% ≥*0