1. BS ISO 4212. Corrosion of Metals and Alloys. Method of oxalic acid etching test for intergranular corrosion of austenitic stainless steel. (11th October 2021) 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) ↗
2. Corrosion of metals and alloys. Method of oxalic acid etching test for intergranular corrosion of austenitic stainless steel. (15th February 2023) 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. Destructive tests on welds in metallic materials. Etchants for macroscopic and microscopic examination. (15th April 1997) 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) ↗
4. Reagents for chemical analysis. Specifications (first series) Part 2, (31st August 1984) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (66 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗