Appearance White to pale yellow powder Assay ( in dry basis HPLC) j e98.5 Ph of solution 7.0-8.5( 3j aq.Soln.) 3jwater solution d70 Waterj d20 Chloridej d0.35 Free Vc( j) d0.5 Free phosphor acid ....
Shanghai healthwell chemical co. , ltd is invested by Healthwell int' l co., Limited( HK) , Located in Shanghai Pudong New Area , own two factory to specialize in producing cosmetic material and plant....
Product name Kojic dipalmate Trade no HWPC03 Standard 98% Description: Test items Specifications Appearance White to light yellow powdery crystals Assay ( HPLC) j e95.0 Melting point ( Â º C) 93.0....
Product name Hyaluronic acid Trade no HWPC27 Standard ( 1.0-3.0) x1000000 Description: Test items Specifications Description White powder PH 6.0-7.5 Purity of HA e89 Glucuronic acid e43 ....
Appearance White needle crystal or powder Assay( HPLC) e99.5 Melting point 199= 201Â ± 0.5Â ° C Clarity of water solution Transparancy colorless, none suspended matters PH Value 5.0-7.0 Specific....
Appearance Off-White powder Assay ( HPLC) j e90.0 Flavone test Positive Bacteria of total( cfu/ g) d100 Arsenic ppm d2 Heavy metal( Pb) ppm d20 Packing: 1kg/ drum