1. Determination of the ultimate biodegradation of plastics materials in an aqueous system under anoxic (denitrifying) conditions. Method by measurement of pressure increase. (13th November 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (36 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Soil improvers and growing media. Determination of the aerobic biological activity. Oxygen uptake rate (OUR) Part 1, (23rd January 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Water quality. Determination of biochemical oxygen demand after n days (BODn). Dilution and seeding method with allylthiourea addition Part 1, (15th December 1998) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Water quality. Determination of biochemical oxygen demand after n days (BODn). Dilution and seeding method with allylthiourea addition Part 1, (7th October 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (34 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. Water quality. Determination of biochemical oxygen demand after n days (BODn). Method for undiluted samples Part 2, (15th December 1998) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. Water quality. Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds: method by determining the oxygen demand in a closed respirometer. (15th April 1993) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
7. Water quality. Evaluation in an aqueous medium of the 'ultimate' aerobic biodegradability of organic compounds. Method by analysis of biochemical oxygen demand (closed bottle test). (15th March 1995) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
8. Water quality. Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium. Static test (Zahn-Wellens method). (15th April 1993) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
9. Water quality. Physical, chemical and biochemical methods. Determination of biochemical oxygen demand after 5 days (BOD5 ): dilution and seeding methods Part 2-2.14, (31st August 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
10. Water quality. Physical, chemical and biochemical methods. Method for the determination of the chemical oxygen demand Part 2.34, (31st October 1988) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (10 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗