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Touchstone

ISSN 1179-2426

Materials

Paint colours for building purposes – revised BS Standard

Issue 34 – December 2011

The revised Schedule of paint colours for building purposes BS 4800:2011 specifies 122 colours for paints for building purposes. BS 4800 is used to specify paint colours used in building construction or refurbishment,especially at local authority level and major works, such as office blocks, airports, schools, and hospitals.

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International green and black tea Standards – a cup full of science and health

Issue 34 – December 2011

Tea Standards have taken a significant step forward with minimum polyphenol content included for the first time. Minimum polyphenol content is included in the revision of Black tea – Definition and basic requirements ISO 3720:2011 and in the new Standard Green tea – Definition and basic requirements ISO 11287:2011. Both Standards make an important contribution to tea science and its role in promoting a healthy lifestyle.

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