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PROTEIN ANALYSIS IN COMPLEX FOOD MATRICES: HOW TO PERFORM ACCURATE DETERMINATION

https://www.velp.com/en-ww/protein-analysis-in-complex-food-matrices-how-to-perform-accurate-determination.aspx Employing the Dumas combustion method , the NDA 702 significantly enhances analysis times compared to traditional techniques, such as Kjeldahl. ... Furthermore, in contrast to the conventional Kjeldahl method , the NDA 702 does not necessitate the use of hazardous chemicals, thereby maximizing safety and minimizing environmental impacts. ➔ To [...]

Phenols and Ammonia Determination in Water

https://www.velp.com/en-ww/phenols-and-ammonia-determination-in-water.aspxThe method described ➡️ IN THIS APPLICATION NOTE ⬅️ involves steam distillation followed by a colorimetric reaction with 4-aminoantipyrine, providing precise and reliable results even at low concentrations (0.005–0.100 mg/L). ... The Kjeldahl method , combined with [...]

Nitrogen Determination in Engine Oil according to the Kjeldahl method

https://www.velp.com/en-ww/nitrogen-determination-in-engine-oil-according-to-the-kjeldahl-method.aspx Tag directory > Nitrogen Determination in Engine Oil according to the Kjeldahl method Nitrogen Determination in Engine Oil according to the Kjeldahl method Oil additives transform base oils into high-performing lubricants . ... One of the most widely used methods for determining nitrogen content in lubricating oils is the Kjeldahl method . [...]

THE CASE OF N/PROTEIN DETERMINATION IN FISHMEAL: DUMAS AND KJELDAHL METHOD COMPARISON

https://www.velp.com/en-ww/the-case-of-nprotein-determination-in-fishmeal-dumas-and-kjeldahl-method-comparison.aspx News > Highlights > THE CASE OF N/PROTEIN DETERMINATION IN FISHMEAL: DUMAS AND KJELDAHL METHOD COMPARISON THE CASE OF N/PROTEIN DETERMINATION IN FISHMEAL: DUMAS AND KJELDAHL METHOD COMPARISON 18/08/2021 Learn more about fishmeal and N/Protein determination with the Kjeldahl and Dumas methods. Download the dedicated [...]

CARBON, NITROGEN AND NITROGEN FORMS DETERMINATION IN LIQUID FERTILIZERS

https://www.velp.com/en-ww/carbon-nitrogen-and-nitrogen-form-determination-in-liquid-fertilizers-v1.aspxRead our application notes and discover how our elemental analyzers and Kjeldahl digestion and distillation units support laboratories to achieve accurate results. ... Download the application note to get a better understanding of how VELP's elemental analyzers can help you achieve maximum [...]

N/PROTEIN DETERMINATION IN BARLEY

https://www.velp.com/en-ww/nprotein-determination-in-barley.aspx Tag directory > N/PROTEIN DETERMINATION IN BARLEY N/PROTEIN DETERMINATION IN BARLEY For the determination of the protein content in barley samples, both the Dumas high-temperature combustion analysis and the Kjeldahl wet chemical method are officially approved. Read this application note to learn about official methods, [...]

HOW TO CHOOSE THE CORRECT TEST TUBE FOR YOUR DISTILLATIONS

https://www.velp.com/en-ww/how-to-choose-the-correct-test-tube-for-your-analysis.aspx News > Highlights > HOW TO CHOOSE THE CORRECT TEST TUBE FOR YOUR DISTILLATIONS HOW TO CHOOSE THE CORRECT TEST TUBE FOR YOUR DISTILLATIONS 18/07/2022 From Kjeldahl and Micro-Kjeldahl analysis to Alcoholic Strength Determinations and other distillation applications: VELP offers a broad set of test tubes. ... Different laboratory [...]

ISO Standard Kjeldahl Method in Dairy Industry

https://www.velp.com/en-ww/iso-standard-kjeldahl-method-in-dairy-industry.aspx News > Highlights > ISO Standard Kjeldahl Method in Dairy Industry ISO Standard Kjeldahl Method in Dairy Industry 07/04/2014 IDF (International Dairy Federation) and ISO have joined forces to expand the scope of an international standard used worldwide in the dairy industry to measure the protein content of cow milk . ... The revised standard ISO [...]

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

https://www.velp.com/en-ww/the-impact-of-inaccurate-sample-preparation-on-analytical-results-the-case-of-protein-determination-and-oxidative-stability-tests.aspxNITROGEN/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 digestion units and distillers , the homogeneity of the sample has a great impact on the results. For example, in the following table, it is evident how an [...]

STEAM DISTILLATION FOR FAST AND EASY ALCOHOLIC STRENGTH DETERMINATION

https://www.velp.com/en-ww/steam-distillation-for-fast-and-easy-alcoholic-strength-determination.aspxAs a general rule, distill your sample in 7-9 minutes Use your density meter or pycnometer on the distillate to measure alcohol content, even on complex liquors Top performing Distillation Units for fast and easy alcoholic content analysis Developed for the Kjeldahl method, automated steam distillation instruments are ideal to perform alcoholic strength determination in [...]