BS 3770 – Specification for zinc naphthenate and zinc naphthenate concentrates
The concentrates have 8 per cent and 6 per cent zinc. Zinc content, acid value of extracted organic acids, non-volatile oil, moisture, acidity of aqueous extract, water-soluble sulphates, water-soluble chlorides, matter insoluble in acetone, and carrier solvent (concentrates). Methods of test appended.