1. Methods of test for petroleum and its products. Neutralization number by potentiometric titration Part 177, (31st January 1984) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (15 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Methods of test for petroleum and its products. Petroleum products. Determination of base number. Perchloric acid potentiometric titration method Part 276, (31st March 1995) 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) ↗