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1.1 This standard guide describes methods for conducting laboratory toxicity tests with early life stages of freshwater mussels including glochidia and juvenile mussels in water-only and effluent exposures (Annex A1). Future revisions to this standard may describe methods for conducting...
This European standard describes a test method for laboratory evaluation of possible adverse effects of water treatment membranes on drinking water quality. In principle it is applicable to microfiltration, ultrafiltration, nanofiltration, reverse osmosis and electrodialysis modules...
This standard specifies the determination of formaldehyde in aqueous extracts prepared from paper and board intended to come into contact with foodstuffs. The limit of determination is 0,01 mg/dm2 or 10 mg/kg paper or board. For contact at room temperature the cold water extract is applied....
This European standard specifies a test method for the determination of the dry matter content of a hot or cold water extract from paper or board. It is applicable to paper and board intended for boiling or filtering of foodstuffs. The lower limit determination of the method is about...