江西麻将怎么打|江西打麻将规则
Nantong Feiyu Food-tech Co., Ltd. (Former: Nantong Feiyu Fine Chemical Co., Ltd.)
PRODUCTS
Zinc Citrate
Zinc Citrate can be used as a dietary supplement and as a nutrient. This product known to be used in oral care products. Zinc is an important antioxidant nutrient. It is necessary for protein synthesis, wound healing, for blood stability, normal tissue function, and aids in the digestion and metabolism of phosphorus. It also governs the contractility of muscles and maintains the body’s alkaline balance.
Chemical Data
Chemical Formula Zn3(C6H5O7)2·2H2O Zn3(C6H5O7)2·3H2O
CAS NO 546-46-3
Molecular Weight 610.36
Use Nutrient; Dietary Supplement; Pharmaceuticals
Description Fine, white powder/ granular
Containers 25 kg / 50 lb. box/bag/drums; 500 kilogram bag
Storage Store in a clean, dry warehouse in the original unopened containers.
Chemical Specifications
  Powder
Code11401
Granular
Code11402
Powder
Code11403
Granular
Code11404
Identification        
Test A Positive Positive Positive
Test B Positive Positive Positive
Assay of dried product (as Zn) 31.3 - 32.5 % 31.3% min 30.9 - 31.5%
Arsenic (as As) 3 ppm max 3 ppm max 3 ppm max
Cadmium (Cd) 5 ppm max 5 ppm max 5 ppm max
Lead (as Pb) 5 ppm max 10 ppm max 10 ppm max
LOD @ 105°C 1.0% max 1.0% max 1.0% max
Sulfate (as SO4) 0.05% max 0.05% max ---
Chloride (as Cl) 0.05% max 0.05% max ---
Lead 5 ppm max --- ---
Zinc Content --- --- ---
Anhydrous Basis 33.3% min 33.3 % min 33.9 - 34.5 %
As Is 31.0% min 31.0 % min ---
Mercury  --- 0.10 ppm max ---
PH 3% suspension --- --- 5.0 - 7.0
ROI @ 500°C --- --- 38.4 - 39.2%
Bulk density According to Customer Requirements
Particle Size According to Customer Requirements
Microbial limits

Total Plate Count                 NMT 1000cfu/g           E. Coli                                    Negative

Total Molds And Yeasts     NMT 300cfu/g             Salmonella                            Negative

Total Coliform Count          NMT 10cfu/g               Staphylococcus Aureus       Negative

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