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Potassium metaphosphate ( E341, CAS#7758-87-4, HS code:283526) is a calcium salt of phosphoric acid manufactured through chemical synthesis, available as WHITE POWDER. Tricalcium Phosphate is widely used as nutrition supplements and anti-caking agent in food production. - See more at: http://www.yameiaspartame.com/products/potassium-metaphosphate/#sthash.8o2aUvng.dpuf
Sodium Aluminium Phosphate(SALP) ( E541, CAS#10305-76-7, HS code:283539)is a family of sodium salts of aluminium phosphate, available as White powder. Sodium Aluminium Phosphate is widely used as pH regulator in baking powder with E number E541. It is widely accepted as safe food additive in many countries. 
