Applications
Cosmetics Lab Magazine Vol 2
In "COSMETICS LAB" Issue 2, gain useful information on how to turn natural raw material into active compounds. Benefit from useful information on techniques used in all steps of cosmetics development. Learn how to extract and screen for active ingredients and how to use chromatography to purify raw material. Plus fun facts, horoscopes, quizzes and an exclusive interview on the topic of fighting misinformation in the cosmetics industry.
Cosmetics Lab Magazine Vol 3
In "COSMETICS LAB" Issue 3, find everything you need to know about the making of make-up. Improve your formulation proficiency by gaining insightful information on microencapsulation and spray drying. Plus read cosmetics formulation tips, recipes, quizzes, horscopes and an exlcusive interview with a microencapsulation expert.
Nitrogen and Protein Determination in Animal Feed according to the Kjeldahl method
The determination of protein in feed is a routine procedure for quality assurance and labelling. A simple and fast method for protein determination in feed products according to the ISO 5983-2:2009 and AOAC 954.01 regulations is introduced below. The sample is digested with sulfuric acid and Kjeldahl Tablets Titanium using the digest Automat K-438, followed by distillation and titration with the KjelMaster K-375 with KjelSampler K-376.
Nitrogen Determination in Pharmaceutical Active Peptides
Nitrogen and total protein determination in pharmaceutical products are described in the European Pharmacopoeia (Ph.Eur.) section2.5.9 and 2.5.33 method 7 [1, 2]. In the Pharmacopoeia of the United States (USP), nitrogen determination is described in section461 [3]. Therein, different titration techniques are specified.The Ph.Eur.describesback titration in the presence of the indicator methyl red mixed solution and the USP potentiometric boric acid titration.