GB/T 5009.98-2003 Method for analysis of hygienic standard of unsaturated polyester resin and glass fibre reinforced plastics used as food containers and packaging materials
GB/T 5009.99-2003 Method for analysis of hygienic standard of polycarbonate resin used as food containers and packaging materials
GB/T 6682-1992 Water for analytical laboratory use--Specification and test methods