21. Microchemical analysis. Apparatus for the determination of elements by other than combustion methods. Specification for ammonia distillation apparatus (Markham) Part B2, (29th February 1960) 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) ↗
22. Microchemical analysis. Apparatus for the determination of elements by other than combustion methods. Specification for nitrogen determination apparatus (micro-Kjeldahl) Part B1, (15th June 1964) 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) ↗
23. Microchemical apparatus. Apparatus for the determination of elements by other than combustion methods. Specification for nitrogen determination apparatus (non-transference micro-Kjeldahl) Part B3, (15th June 1964) 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) ↗
24. Recommendations for design and construction of glass splash heads for laboratory use. (29th May 1987) 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) ↗
25. Specification for Dean and Stark apparatus. (5th December 1952) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
26. Specification for glass condensers for laboratory use. (31st March 1980) 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) ↗