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Schedule 9 PERMITTED BOILER FEED WATER TREATMENT COMPOUNDS

Original text. Later amendments are not shown.

  • Potassium alginate

  • Sodium alginate

  • Potassium carbonate

  • Sodium carbonate

  • Sodium hydroxide

  • Sodium dihydrogen orthophosphate

  • di Sodium hydrogen orthophosphate

  • tri Sodium orthophosphate

  • penta Sodium triphosphate

  • Sodium polyphosphates

  • tetra Sodium diphosphate

  • Sodium silicate

  • Sodium metasilicate

  • Sodium sulphate

  • Magnesium sulphate

  • Neutral or alkaline sodium sulphite

  • Unmodified starch

  • Sodium aluminate

  • Polyoxyethylene glycol (minimum molecular weight 1,000).