Reagents, sampling, test procedure for alloys with 1 to 14 per cent tin, 1 to 2 per cent nickel, and small amounts of aluminium, e.g. phosphor bronzes, leaded phosphor bronzes, gun metals, leaded gun metals.Cross References:BS 1400BS 1499BS 2870BS 2871BS 2872BS 2873BS 2874BS 2875Methylated Spirits Regulations 1952