71. Water quality. Determination of biochemical oxygen demand after n days (BODn). Dilution and seeding method with allylthiourea addition Part 1, (15th December 1998) 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) ↗
72. Leather. Determination of water-soluble magnesium salts. EDTA titrimetric method. (15th November 1998) 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) ↗
73. Methods of test for petroleum and its products. Petroleum products. Determination of vanadium and nickel content. Wavelength-dispersive X-ray fluorescence spectrometry Part 433, (1st March 1998) 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) ↗
74. 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) ↗
75. Textiles. Determination of pH of aqueous extract. (15th August 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) ↗
76. Methods of test for petroleum and its products. Petroleum products. Determination of acid number. Semi-micro colour-indicator titration method Part 431, (1st March 1998) 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) ↗
77. Leather. Determination of matter soluble in dichloromethane. (15th November 1998) 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) ↗
78. Methods of test for spices and condiments. Determination of acid-insoluble ash Part 9, (15th February 1998) 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) ↗
79. Native starch. Determination of starch content. Ewers polarimetric method. (15th November 1998) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
80. Methods of test for meat and meat products. Determination of starch and glucose contents (enzymatic method) Part 18, (15th November 1998) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗