water treatment chemicals – sodium hexametaphosphate (shmp for sale

water treatment chemicals – sodium hexametaphosphate (shmp for sale
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  • What is sodium hexametaphosphate (SHMP)?
  • Sodium hexametaphosphate (SHMP) is a salt of composition Na6[ (PO3)6]. Sodium hexametaphosphate of commerce is typically a mixture of metaphosphates (empirical formula: NaPO 3), of which the hexamer is one, and is usually the compound referred to by this name. Such a mixture is more correctly termed sodium polymetaphosphate.
  • What is sodium polymetaphosphate (SHMP)?
  • Such a mixture is more correctly termed sodium polymetaphosphate. They are white solids that dissolve in water. SHMP is used as a sequestrant and has applications within a wide variety of industries, including as a food additive in which it is used under the E number E452i.
  • What is SHMP used for in a water softener?
  • SHMP is used in Diamond Crystal brand Bright & Soft Salt Pellets for water softeners in a concentration of 0.03%. It is the only additive other than sodium chloride. SHMP is prepared by heating monosodium orthophosphate to generate sodium acid pyrophosphate:
  • What is sodium hexametaphosphate of Commerce?
  • Sodium hexametaphosphate of commerce is typically a mixture of metaphosphates (empirical formula: NaPO 3), of which the hexamer is one, and is usually the compound referred to by this name. Such a mixture is more correctly termed sodium polymetaphosphate. They are white solids that dissolve in water.