Acid Definition

1. Health Chemical http://www.greenhealthchemical.com/Acid.html Product Usage: Mandelic acid has a long history of use in the medical community as an antibacterial, particularly in the treatment of urinary tract infections. It has also been used as an oral antibiotic, and as a component of 'chemical face peels', along with other alpha-hydroxy acids (AHAs). Tests Specifications Results Assay 98.5% to 101.0% 99.70% Appearance White crystalline powder White crystalline powder Odor and taste Characteristic Complies Specific rotation -155±2° Complies Melting range 130 to 134°C 131 to 133°C Loss on drying MAX.0.5% 0.3% Residue on ignition MAX. 0.2% 0.05% Heavy metals MAX.10 PPM Complies Microbiology controlTotal Plate Count MAX.1,000cfu/g NMT 1,000cfu/g Yeast & Mold MAX.100cfu/g NMT 100cfu/g E.Coli Negative Complies S.Aureus Negative Complies Salmonella Negative Complies 1.Mandelic acid: Cyanide---hydrolysis--- crystallization ---Mother liquor treatment—Refined---Final product 2.Tartaric acid: Epoxidation--- hydrolysis--- crystallization---- separate----- exhalation 3.Itaconic acid: Fermentation---Seperation---Decotoration---Anionexchange---Elution--- Cation exchange---vacuum concentration---cooling---seperation---Drying-----Final product 4.Hypophosphorous acid: http://www.greenhealthchemical.com/Organic_chemicals.html Health Chemical

2. Health Chemical http://www.greenhealthchemical.com/Acid.html Dissolve---- Resin exchange----Filter----Condense 5.Sulfamic acid: Dissolve---Reaction----Seperation ----Dissolve--- Recrystallization---Seperation—Drying 6.Azodiisobutyrodinitrile Dissolve---Reaction---Cool down---Mixing--Filter---Remove moisture--- Recrystallization--- Final product 7.N-methylformamide Dissolve---Reaction---First distillation---Distillation---Final product 8.N,N-Dimethylformamide Dissolve--- Esterification---Reaction---Distillatio---Vacuum distillation---Final product 9.Methyl thioglycolate Reaction---churn---catalytic--- Reflux reaction---Rinse---Remove moisture--- Final product 10.Dimethyl sulfoxide Reaction---Oxidation---Depressurize---Distillation---Final product 11. Potassium silicate: Fushing---solidfying---cooling—coarse---crushing— pressurized---dissolved---clarification---filtration---evaporate concentration---final products 12.Zirconium carbonate: Ballmilling---drying---ballmilling---adjustPH---washing---centrifugal separation---final product 13.Lithium bromide: Neutralize---barium removal---decoloration----filtration---concentration-- Filtration--concentration---crystallization--separation---final product 14.Potassium aluminium sulfate Reaction---Mixing---Cool down---Crystallization---Final product 15.Strontium nitrate Caremovel---washing---translatiion---washing----compound---evaporation--separatin---dissolve--precipat ed---washing---filtration---drying--final product 16. Cerium oxide Recipitate----Roast----Crush--- Precision grading---Final product 17. Chromium oxide green Heating----Thermal decomposition----Cooling---Crushing---Final product http://www.greenhealthchemical.com/Organic_chemicals.html Health Chemical