BS EN ISO 20743:2021 pdf download – Textiles — Determination of antibacterial activity of textile products.
5.6 Clean bench, for microbial test. 5.7 Washing machine, in accordance with the specifications of ISO 6330. 5.8 Humidity chamber, tropical chamber or other container capable of maintaining a high-humidity more than 70 % RH atmospheric condition. 5.9 Luminescence photometer, capable of measuring ATP of 10 −12 mol/l to 10 −7 mol/l at 300 nm to 650 nm with a luminescence-measuring reagent. 5.10 Printing apparatus, capable of applying a 4 N load to a test specimen and rotating the specimen 180° in one direction for a period of 3,0 s. 5.11 Refrigerator, capable of maintaining a temperature of between 2 °C and 8 °C. 5.12 Freezers, one adjustable to a temperature below −70 °C and another to a temperature below −20 °C. 5.13 Balance, with the resolution of 0,01 g or better and 0,1 mg or better 5.14 Filtering apparatus, consisting of an upper container equipped with a membrane filter and a lower container equipped with a suction opening. 5.15 Pipette, having the most suitable volume for each use, with a tip made of glass or plastic, and with a tolerance of 0,5 % or less. 5.16 Vials, 30 ml glass bottles, with screw openings, polytetrafluoroethylene or silicone packing and caps made of polypropylene, polycarbonate or another suitable material. 5.17 Petri dishes, that have been sterilized, made of glass or plastic, in diameter sizes of 90 mm to 100 mm or 55 mm to 60 mm. 5.18 Glass rod, with a diameter of approximately 18 mm. 5.19 Anti-bumping granules (glass beads), with a diameter of 3 mm to 4 mm. 5.20? Erlenmeyer? flask, of capacity 100 ml.
5.26 Aluminium foil. 5.27 Reciprocal incubation shaker. 5.28 Autoclave, capable of sterilizing at 121 °C ± 2 °C and 103 kPa ± 5 kPa. 5.29 pH meter, with a glass electrode detector. 6 Reagents and culture media Reagents used in tests shall be of analytical quality and/or suited for microbiological purposes. Dehydrated products available on the commercial market are recommended for use in preparing the culture media. The manufacturer’s instructions for the preparation of these products should be strictly followed. 6.1 Water Water used in tests shall be analytical-grade water for microbiological media preparation, which is freshly distilled and/or ion-exchanged and/or ultra-filtered and/or filtered with reverse osmosis (RO). It shall be free from all toxic or bacteria inhibitory substances.