71. BS EN 12120. Chemicals used for treatment of water intended for human consumption. Sodium hydrogen sulfite. (27th May 2020) 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) ↗
72. BS EN 12163. Copper and copper alloys. Rod for general purposes. (18th August 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (46 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
73. BS EN 12165. Copper and copper alloys. Wrought and unwrought forging stock. (18th August 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (29 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
74. BS EN 12166. Copper and copper alloys. Wire for general purposes. (18th August 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (40 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
75. BS EN 12168. Copper and copper alloys. Hollow rod for free machining purposes. (18th August 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (40 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
76. BS EN 12177. Liquid petroleum products. Unleaded petrol. Determination of benzene content by gas chromatography. (17th January 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (17 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
77. BS EN 12420. Copper and copper alloys. Forgings. (18th August 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (62 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
78. BS EN 12449. Copper and copper alloys. Seamless, round tubes for general purposes. (24th February 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (52 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
79. BS EN 12594. Bitumen and bituminous binders. Preparation of test samples. (17th April 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (13 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
80. BS EN 12873-2. Influence of materials on water intended for human consumption. Influence due to migration. Test method for non-metallic and noncementitious site-applied materials (25th June 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (32 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗