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Specification for orthodontic resins. Original standard BS 6747-1987 in PDF full version. Additional info + preview on request

Document status: Active

Sampling and analysis of nickel, ferronickel and nickel alloys - Method for determination of silver, bismuth, cadmium, cobalt, copper, iron, manganese, lead and zinc in nickel by flame atomic absorption spectrometry. Original standard BS 6783-1-1986 in PDF full version. Additional info + preview on request

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Sampling and analysis of nickel, ferronickel and nickel alloys - Method for determination of cobalt in ferronickel by flame atomic absorption spectrometry. Original standard BS 6783-3-1986 in PDF full version. Additional info + preview on request

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Sampling and analysis of nickel, ferronickel and nickel alloys - Method for determination of sulphur in nickel by methylene blue molecular absorption spectrometry after generation of hydrogen sulphide. Original standard BS 6783-6-1986 in PDF full version. Additional info + preview on request

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Apparatus with one or more particular functions for connection to certain public switched telephone networks. Specification for series connected apparatus - Apparatus having maximum allowable impairments. Original standard BS 6789-6.1-1986 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Original standard BS 6791-1969 (1979) in PDF full version. Additional info + preview on request

Document status: Active