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| Keywords: Original Kjeldahl-Apparatus 1883 Woodcut by Rosenstand (1838-1915).jpg Original apparatus as designed by Danish chemist Johan Kjeldahl 1849-1900 for his method for determination of nitrogen in organic samples; Artistic technique woodcut Snapshot from a digital PDF reproduction D Thorburn Burns Kjeldahl the Man the Method and the Carlsberg Laboratory In Analytical Proceedings 21/1984 Royal Society of Chemistry p 210 “214 ISSN 0144-557X exact date unknown; Originally published in an article by Johan Kjeldahl in Meddelelser fra Carlsberglaboratoriet Reports from the Carlsberg Laboratory Volume 2 1883-1888 According to the paper by D Thorburn Burns the image was created by J F Rosenstand which apparently refers to Danish artist Johan Frederik Rosenstand 1820-1887 who was a well-established xylographer of his time see also the signature Rosenstand on the bottom left of the image PD-Art See also <gallery> Image Johan Kjeldahl 1848-1900 - Painting by Otto Haslund 1842-1917 jpg John Kjeldahl in his laboratory </gallery> Analytical chemistry History of chemistry Johan Kjeldahl | ||||
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