BS EN IEC 62902:2019
Secondary cells and batteries. Marking symbols for identification of their chemistry
BS 2782-4:METHOD 470B:1999
Methods of testing plastics. Chemical properties-Determination of ash of polyalkylene terephthalates
BS 2782-4:METHOD 451A:1978
Methods of testing plastics. Chemical properties-Determination of acetone-soluble matter in phenolic mouldings
BS 2782-4:METHOD 451B:1978
Methods of testing plastics. Chemical properties-Determination of acetone-soluble matter in phenolic moulding materials after moulding