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CARBON, NITROGEN AND NITROGEN FORMS DETERMINATION IN LIQUID FERTILIZERS

https://www.velp.com/en-us/carbon-nitrogen-and-nitrogen-forms-determination-in-liquid-fertilizers.aspxRead our application notes and discover how our elemental analyzers and Kjeldahl digestion and distillation units support laboratories to achieve accurate results. ... Read this application note to learn about official methods, analytical procedures, analysis steps, safety precautions, and how to get accurate results for the determination of [...]

LOW NITROGEN LIQUID SAMPLES: OBTAIN ACCURATE RESULTS WITH THE NEW MINERALIZATION ROD FOR KJELDAHL DIGESTERS

https://www.velp.com/en-us/low-nitrogen-liquid-samples-obtain-accurate-results-with-the-new-mineralization-rod-for-kjeldahl-digesters.aspx After having weighed the sample, the latter must be placed into a glass test tube along with concentrated sulfuric acid and the correct variety of catalyst tablets according to the Official Methods requirements . ... Then it remains in the test tube until the end of the whole Kjeldahl analysis, distillation step included. The main [...]

INSECTS AS AN ALTERNATIVE PROTEIN SOURCE: N/PROTEIN DETERMINATION ANALYTICAL METHODS AND CHALLENGES

https://www.velp.com/en-us/insects-as-an-alternativ-protein-source-nprotein-determination-analytical-methods-and-challenges.aspx News > Webinars > INSECTS AS AN ALTERNATIVE PROTEIN SOURCE: N/PROTEIN DETERMINATION ANALYTICAL METHODS AND CHALLENGES INSECTS AS AN ALTERNATIVE PROTEIN SOURCE: N/PROTEIN DETERMINATION ANALYTICAL METHODS AND CHALLENGES 01/16/2024 Are insects a good source of protein for humans?

THE IMPACT OF INACCURATE SAMPLE PREPARATION ON ANALYTICAL RESULTS: THE CASE OF PROTEIN DETERMINATION AND OXIDATIVE STABILITY TESTS

https://www.velp.com/en-us/the-impact-of-inaccurate-sample-preparation-on-analytical-results-the-case-of-protein-determination-and-oxidative-stability-tests.aspxThe quality of the sample preparation directly impacts the accuracy , precision and sensitivity of the analytical method used. ... NITROGEN/PROTEIN DETERMINATION When performing the Nitrogen/Protein determination according to the Dumas method using the NDA 702 Elemental Analyser as well as according to the Kjeldahl method using [...]

ENHANCING SAFETY IN YOUR LABORATORY: INTRODUCING THE KS 1000 SCRUBBER, THE SAFEGUARD OF KJELDAHL DIGESTIONS

https://www.velp.com/en-us/enhancing-safety-in-your-laboratory-introducing-the-ks-1000-scrubber-the-safeguard-of-kjeldahl-digestions.aspxThe Kjeldahl method is a reliable technique widely adopted for the determination of nitrogen / protein in various samples . The Kjeldahl method involves as the first step of analysis the digestion of organic samples in concentrated sulfuric acid. This process converts nitrogen-containing compounds into ammonium sulfate, which is then [...]

ADVANCED ANALYTICAL SOLUTIONS FOR PROTEIN AND FAT DETERMINATION IN FISHMEAL SAMPLES

https://www.velp.com/en-us/advanced-analytical-solutions-for-protein-and-fat-determination-in-fishmeal-samples.aspxProteins Determination The combustion method and the Kjeldahl method are the standard methods for protein content determination. ... This makes the Dumas method the cost-effective choice for those laboratories that analyze a large number of samples per day . We likely mention VELP’s [...]

The Digestion Phase

https://www.velp.com/en-us/kjeldahl-digestion.aspxAdd KjTabs TM catalyst tablets according to the Official Methods requirements.... Set the program in the digester Temperature and time ramps are critical for the correct digestion step and we strongly suggest following Offical Methods. In the majority of the methods, there are 2 or 3 temperature ramps to be set. ... [...]

FAST AND RELIABLE NITROGEN/PROTEIN DETERMINATION: THE CASE OF BAIRDS MALT

https://www.velp.com/en-us/fast-and-reliable-nitrogenprotein-determination-the-case-of-bairds-malt.aspxFrom its beginnings, as a family-owned business that was committed to bringing quality malt to Glasgow’s brewers, Bairds Malt grew and developed into a trusted partner to many of the world’s leading brewers and distillers. ... According to the Dumas method , the powerful Dumas Protein/Nitrogen Analyzers are fully automated solutions, operating [...]