trisodium phosphate Chemical formula: Na3PO4.12H2O Molecular weight: 380.14 Standard executed: HG/T2517-93 Throughput: 10000t/a Properties:White or colorless crystals, efflorescent in air, easily soluble in water but not in organic solution. Its water solution is alkaline. PH value of 1% solution is 12.1, relative density at 1.62, melting point is 73.4℃ Application:Used as a water softening agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in enamel ware manufacturing and so on. Packaging:Plastic-woven sack with polythene inner bag, net weight 25kg, 50kg or 1000kg. Store at a ventilated, dry place. Technical Specifications No. Specifications Na3PO4 Na3PO4.12H2O Industrial Food Industrial Food 1 Main contents%≥ 98.0 98.0 98.0 98.0 2 Phosphorus pentoxide%≥ 39.5 39.5 18.3 18.3 3 Chloride, as cl% ≤ 　 　 0.3 0.02 4 Sodium oxide, as Na2O%≤ 36-40 36-40 15.5-19 15.5-19 5 Sulfate, as SO4 %≤ 　 0.25 0.5 0.5 6 Heavy metal, as Pb%≤ 　 0.001 0.001 0.001 7 Arsenic, as As%≤ 　 0.0003 0.0003 0.0003 8 Fluoride as F%≤ 　 0.005 0.005 0.005 9 Water insoluble%≤ 0.10 0.10 0.10 0.10

无水磷酸三钾(ATKP) Tripotassium phosphate Anhydrous 指标名称 specifications 工业级 食品级 1. 主含量 % ≥98.0 98.0 Main conmtent, 2.P2O5 % ≥32.8 32.8 Phosmhorus pent-oxide 3.氧化钾(以K2O干基计)% ≥65.0 5.0 K2O 4.水不溶物 %≤0.10 0.05 Non-wat er insolubie 5.PH值 11.5-12.5 11.5-12.5 PH 6.氟化物(F) % ≤ 0.003 Fluoride (F) 7.重金属(以Pb计) % ≤ 0.002 Heavy metals, as Pb 8.砷（以AS计） % ≤ 0.0003 Arsenic , as As 9.细度(通过60目筛) % ≤90.0 90.0 Sieve test (Through 60mesh)

无水磷酸氢二钾 (ADKP) DIPOTASSIUM PHOSPHATE ANHYDROUS 分子式:K2HPO4 Chemical formula:K2HPO4 分 子 量：174.23 Molecular weight:174.23 性 质: Property: 白色粉末,有吸湿性,易溶于水,水溶液呈薇碱性,相对密度2.338,于204时分子内容脱水,1%水溶液PH值为8.9. White powder,soluble in water easily,water solution is alkaline,density is 2.338,PH of 1%water solution is 8.9. 指标名称 工业级 食品级 1. 主含量 % ≥ 98.0 98.0 2.P2O5 % ≥ 40.0 40.0 3.氧化钾(以K2O干基计) % ≥ 53.0 53.0 4. 水不溶物 % ≤ 0.1 0.05 5. PH值 8.0-9.0 8.0-9.0 6. 氟化物(F) % ≤ 0.002 7. 重金属(以Pb计) % ≤ 0.001 8. 砷（以AS计） % ≤ 0.0003 9. 细度(通过60目筛) % ≤ 90.0 90.0

Tricalium Phosphate 磷酸三钙● 1、 Chemical name: Tricalium Phosphate. 2、Formula:Ca3(PO4)2.H2O 3、Specificity: Mixture of different phosphorus cllcium, main component is 10CaO.3P2o5.H2O, molecular weight 1004.64, white shapeless powder, odourless, tasteless, relative density 3.18,defficultly soluble in water, easily soluble in dilute hydrochloric, nitric acid, steady in air. 4、Quality standard(HG2789-1996 FCC-IV): Name of index HG2789-1996 FCC-IV Appearance white floating, crystalline powder content(Ca),% 34.0-40.0 34.0-40.0 As,≤ % 0.0003 0.0003 F,≤ % 0.0075 0.0075 Heavy metals(Pb),≤% 0.002 0.0015 Pb,≤ % - 0.0005 Loss on heating(200℃) ≤ % 10.0 - Loss on heating(800℃) ≤ % - 10.0 Clear grade Slightly turbid - 5. Uses: In food industry, It is used as anticoagulant , nutritional supplement, calcium intensifier PH regulato-r , buffer, Such as flour anticoagulant, additive for m-ilk powder , sweets, pudding, flavoring, and meat, refined aid agent for animal oil, yeast food and so on . 6. Packing: It is packed with plastic bag as liner, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg. 7. Stoage and transport:It should be stored in a dry and ventilative warehouse, kept away from moisture . Furthe-rmore , it should be stored separately from poisonous s-ubstances.

Sodium Dihydrogen Phosphate, Anhydrous Items Food grade Tech grade Appearance White powder NaH2PO4, % ≥ 98.0 ≥ 98.0 pH value 4.2 – 4.6 4.2 – 4.6 Chloride(as Cl) , % ≤ 0.014 Sulfate(as SO4) , % ≤ 0.25 Insoluble, % ≤ 0.05 ≤ 0.05 Arsenic(as As) , % ≤ 0.0003 Heavy metal(as Pb) , % ≤ 0.001 Fluoride(as F) , % ≤ 0.005 Standard GB 2910-2000 Packing: Net 25kg, plastic woven bags lining PP or PE bags

disodium hydrogen phosphate Chemical formula: Na2HPO4.12H2O Molecular weight: 358 Standard executed: GB6008-85 Throughput: 10000t/a Properties:White or colorless crystalline free flowing solid, efflorescent in air, easily soluble in water, but insoluble in alcohol, its water solution is slightly alkaline, relative density at 1.63, melting point at 34.6℃ Applications:Used as a fire-prevention agent for fabric, timber, and paper, also as water softening agent for boiler, food additive, buffering agent, solder, tanning agent, etc. Packaging:Plastic-woven sack, net weight 25kg, 50kg or 1000kg. Store at a ventilated, dry place. Technical Specifications No Specifications Na2HPO4 Na2HPO4.12H2O Industrial Food Industrial Food 1 Main contents%≥ 98 98 97.0 98.0 2 PH of 1% solution 8.5-10.0 8.5-10.0 9.0-9.4 9.0-9.4 3 Chloride, as cl% ≤ 0.05 0.014 4 Sulfate, as SO4%≤ 　 　 0.7 0.25 5 Fluoride, as F%≤ 0.001 0.05 0.005 6 Heavy metals, as Pb%≤ 0.0003 0.001 7 Arsenic, as As%≤ 0.005 0.0003 8 Water insoluble%≤ 0.10 0.10 0.10 0.10