What is kjeldahl flask

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Visit the IIIF page to learn more. View manifest View in Mirador. In Danish chemist Johan Kjeldahl — published the Kjeldahl method. It was the first accurate, simple, and speedy way to determine nitrogen content in organic matter.

Later, the laboratory took on a broader mission to contribute to pure research. The need for the Kjeldahl method grew from his analysis of the protein content of grains for beers at different stages—from germination to fermentation as beer wort.

Analyses of nitrogen content can be used to quantify the amount of protein in a sample, and protein content of grains influences the volume of beer they produce. Skip to the end of the images gallery. Skip to the beginning of the images gallery. Need help making a decision or looking to buy this product? Contact Us Where To Buy. Some units will titrate one receiving solution at a time to a set end point; others will automatically titrate a number of receiving flasks sequentially.

VELP Scientifica started to manufacture Kjeldahl apparatus since the s and offers now a comprehensive know-how and experience on this application, especially under the technical and analytical point of view. Related solutions. Digestion Units Fully automatic and semi-automatic digesters with aluminium heating block. Distillation Units Distillers with different levels of automation and productivity for the determination of nitrogen, protein, volatile acids, TVBN, ammonium, alcohol and other parameters.

Send us a message Contact one of our specialists, we are very happy to help you. The Kjeldahl Method. The Kjeldahl flask is used in apparatus for the determination of nitrogen by the Kjeldahl method, which was originally developed to measure the protein content of grains used in the brewing industry.

The Kjeldahl method subjects flasks to severe chemical and thermal abuse. These Viton O-rings have a superior chemical resistance over the standard Nitrile O-rings for use in more de These aperture caps are used in conjunction with the Quickfit Plus glass cones and sockets to seal the