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Nitrogen and Protein Determination by Kjeldahl and Dumas Methods

Protein content in food and feed is derived from nitrogen measured by Kjeldahl digestion or Dumas combustion. Each method has its own controls, hazards and calculation factors. This course builds reliable practice in nitrogen and protein determination.

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Register for this course

What you will be able to do

  • Compare the Kjeldahl and Dumas approaches
  • Perform digestion, distillation and titration safely
  • Operate combustion nitrogen analysers
  • Apply the correct nitrogen to protein factors
  • Control quality and troubleshoot both methods

Course outline

  1. 01Nitrogen as a proxy for protein
  2. 02Kjeldahl digestion and distillation
  3. 03Titration and calculation
  4. 04Dumas combustion analysis
  5. 05Nitrogen to protein factors
  6. 06Safety and reagent handling
  7. 07Quality control and troubleshooting

Who should attend

Food and feed laboratory technicians, analysts and quality staff who determine protein content in products and raw materials.

Dates, venues and fees

DatesVenueDaysFeeCalendarRegister
28 to 29 Sep 2026Kampala2US$1,100Closed
29 to 30 Sep 2026Accra2US$1,100Register
30 Sep to 1 Oct 2026Lagos2US$1,100Register
1 to 2 Oct 2026Cairo2US$1,100Register
5 to 6 Oct 2026Mauritius2US$1,100Register
6 to 7 Oct 2026Dubai2US$1,100Register
7 to 8 Oct 2026Online2US$900Register
18 to 19 Nov 2026Johannesburg2R10,000Register
19 to 20 Nov 2026Cape Town2R10,000Register
23 to 24 Nov 2026Durban2R10,000Register
24 to 25 Nov 2026Pretoria2R10,000Register
25 to 26 Nov 2026Windhoek2US$1,100Register
26 to 27 Nov 2026Gaborone2US$1,100Register
30 Nov to 1 Dec 2026Maseru2US$1,100Register
1 to 2 Dec 2026Mbabane2US$1,100Register
2 to 3 Dec 2026Lusaka2US$1,100Register
3 to 4 Dec 2026Harare2US$1,100Register
7 to 8 Dec 2026Lilongwe2US$1,100Register
8 to 9 Dec 2026Blantyre2US$1,100Register
9 to 10 Dec 2026Mozambique2US$1,100Register
10 to 11 Dec 2026Nairobi2US$1,100Register
14 to 15 Dec 2026Dar es Salaam2US$1,100Register
17 to 18 Dec 2026Kigali2US$1,100Register

Fees are per delegate. South African venues are priced in rand; other locations and online in US dollars. Fees exclude 15% VAT where applicable. Group bookings of three or more delegates from the same organisation qualify for a reduced rate; contact us for a quotation.

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