Harmonized System

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Section VI > Chapter 28 > Heading 2835

Explanatory notes

… dihydrogenorthophosphate (monopotassium phosphate) (KH 2 PO 4 ). Obtained by treating phosphated chalk with …

Section VI > Chapter 28 > Heading 2836

Explanatory notes

… hydrogencarbonate (acid carbonate, potassium bicarbonate) (KHCO 3 ). Prepared by the action of carbon dioxide on the …

Section VI > Chapter 28 > Heading 2833

Explanatory notes

… Natural sodium sulphates (glauberite, bloedite, reussin, astrakhanite) are excluded ( heading 25.30 ). (b) Sodium …