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Paragraph 1 Release-test liquid (saliva test solution)

Original text. Later amendments are not shown.

To obtain the release-test liquid, dissolve 4,2g of sodium bicarbonate (NaHCO3), 0,5g of sodium chloride (NaCl), 0,2g of potassium carbonate (K2CO3) and 30,0 mg of sodium nitrite (NaNO2) in one litre of distilled water or water of equivalent quality. The solution must have a pH value of 9.