Phosphates
food
grade | technical
grade
A phosphate is the naturally occurring form of the element
phosphorus, found in many phosphate minerals. It is a
polyatomic ion or radical comprising one phosphorus atom
and four oxygen. Elemental phosphorus and phosphides are
not found. Phosphate can form many polymeric ions, diphosphate
(pyrophosphate), triphosphate, metaphosphate, etc.
Phosphates find many applications in the processed foods
industry, especially in meat and vegetable preservation
and processing, petfood and animal feeds, bakery, milk
and milk-based products, cereals and toothpaste manufacture.
They also find a host of industrial applications, in detergents
and
cleaners, water treatment, enzymes, paints, textiles,
ceramic tiles, refactories, metal treatment, dyestuffs
and chemical stabilisers, as also in oil drilling.
Food grade phosphates
Phosphates find application in the food processing industry
as buffers, emulsifiers, nutrients and discoloration
inhibitors. They are used mainly in frozen and cured
meats and fisheries products, bakery products, milk
and cheese, powdered foods, breakfast cereals, petfood
and animal feed products, and dehydrated potatoes, among
others. They are also used in making toothpastes.
Technical grade phosphates
Phosphates find numerous technical applications in industry,
not least for their properties as water softeners and
limiting reagents. They are used in the formulation
of detergents and cleaners, in metal surface processing,
water treatment, for making fibres, stabilisers and
dyestuffs, painting and coating products, as well as
ceramic tiles and refractory products. They are even
used in oil drilling.
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