Mon, Mar 24, 2025 10:00 AM – 11:30 AM CET
Program
- Introductory discussion and presentation
- Theoretical background of fibre analysis
- Sample Preparation
- How to do a fibre analysis
- Quality control
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Gerhardt webinar – Nitrogen Analysis according to the Kjeldahl method
Wed, Jun 18, 2025 10:00 AM - 12:00 PM CEST Program Principle and analytical approaches for difficult samples 1. Digestion with sulfuric acid and catalyst Digestion temperature and digestion time Temperature / time profile and power / time profile Ratio of sample mass to sulfuric acid volume and catalyst Handling of different samples 2. Distillation [...]
Gerhardt webinar – Nitrogen analysis according to Jean Dumas
Wed, Apr 30, 2025 10:00 AM - 11:30 AM CEST Program 1. The reference methods Kjeldahl and Dumas in comparison Determination of nitrogen according to Kjeldahl and Dumas Advantages of the Dumas method 2. N-Realyzer: Operating principle, Technical details, Consumables 3. Carrying out analyses with N-Realyzer: Sample preparation and weighing, Sample handling and advantages of [...]
Gerhardt webinar – Fat Determination According to Weibull-Stoldt
Wed, Apr 2, 2025 10:00 AM - 11:30 AM CEST Program 1. Introduction Definition of fat Structure and systematics of fatty acids Economic importance of fat Fat determination methods 2. Sample preparation of fat containing samples Homogeneity Sample preparation Weighing Drying 3. Hydrochloric acid digestion (Hydrolysis) Principle and performance Classical and automated hydrolysis Dilution Filtration [...]