1. Method for the determination of arsenic (silver diethyldithiocarbamate procedure). (31st December 1968) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Methods for the analysis of nickel for use in electronic tubes and valves. Determination of boron (photometric method) Part 2, (8th February 1968) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Methods for the analysis of nickel for use in electronic tubes and valves. Determination of zinc (photometric method) Part 15, (26th January 1968) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Methods for the sampling and analysis of lead and lead alloys. Nickel in lead and lead alloys (photometric method) Part 5, (26th January 1968) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. Methods of test for nitric acid. (21st October 1968) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (20 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. Methods of testing water used in industry. Chloride and sulphate Part 6, (29th March 1968) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
7. Methods of testing water used in industry. Nitrite, nitrate and ammonia (free, saline and albuminoid) Part 7, (30th August 1968) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (22 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗