Sulphuric acid, 1 l

Determination of Fat

Fat analysis is used to determine the fat content and fat composition of foodstuffs. Individual components or total fats levels can be calculated depending on the purpose of testing. Different components are subject to different procedures by law, such as the Gerber method or the Van Gulik technique.

• Add sample to 60 ml water

• Subsequently add, while mixing after each step:

  a) 5 ml Carrez-I-solution, Art. No. 9944

  (or 7,2 g zinc sulphate heptahydrate, Art. No. K301 ad 100 ml)

  b) 5 ml Carrez-II-solution, Art. No. 9950

  (or 3,6 g potassium hexacyanoferrate(II), Art. No. P745 ad 100 ml)

• Adjust pH to 7,5 - 8,5 by adding NaOH (0,1 M) Art.No. K020

• Fill volumetric flask up to mark, mix, and filter

Acids and bases of p.a. quality are highly pure substances specifically produced for analytical purposes. Carl Roth provides the appropriate acid or base for various applications, such as titrations, spectroscopy, or chromatography.

• High purity
• High batch consistency
• Detailed specifications
• Good price-performance ratio

Acids in p.a. quality enable reproducible and reliable results, which are essential in chemical analysis. They form the foundation for work in research, development and quality assurance.

• High purity
• High batch consistency
• Detailed specifications
• Good price-performance ratio