41. Paper and board intended to come into contact with foodstuffs. Determination of formaldehyde in an aqueous extract. (15th November 1998) 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) ↗
42. Photography. Processing wastes. Analysis of cyanides. Determination of hexacyanoferrate(II) and hexacyanoferrate(III) by spectrometry. (15th January 1996) 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) ↗
43. Photography. Processing wastes. Determination of nitrate by a spectrometric method using brucine. (15th April 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) ↗
44. Plastics. Hardeners and accelerators for epoxide resins. Determination of free acid in acid anhydride. (15th January 1996) 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) ↗
45. Recommended methods for the spectrographic analysis of high purity zinc and zinc alloys for die casting. (24th November 1970) 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) ↗
46. Sampling and analysis of copper and copper alloys. Method for determination of chromium in copper and copper alloys by flame atomic absorption spectrophotometry Part 4, (31st December 1986) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (6 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
47. Sampling and analysis of copper and copper alloys. Method for determination of zinc in copper and copper alloys by flame atomic absorption spectrophotometry Part 5, (31st December 1986) 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) ↗
48. Sampling and testing carbon black for use in the rubber industry. Method for determination of light transmittance of toluene extract (rapid method) Part 14, (31st May 1991) 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) ↗
49. Sampling and testing carbon black for use in the rubber industry. Method for determination of light transmittance of toluene extract for product evaluation Part 15, (31st May 1991) 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) ↗
50. Soil quality. Chemical methods. Determination of phosphorus. Spectrometric determination of phosphorus soluble in sodium hydrogen carbonate solution Part 3.6, (15th April 1995) 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) ↗