Kjeldahl block digestion in high throughput can be so simple and convenient

The Top 3 Advantages of the Product

Flexible: Adapt the acid quantity to your samples as you wish. Even fatty and inhomogeneous samples are easy to process. The adjustable heating helps you keep highly foaming samples in check.


Safe: Operate KJELDATHERM from outside the danger zone thanks to the removable control unit.


Transparent: ISO17025-compliant documentation of the digestion parameters is no worry. KJELDATHERM® takes care of it for you.

Keep everything in view when performing automated acid digestion

Kjeldahl analysis is recognized the world over as the standard and reference method for nitrogen determination.

The KJELDATHERM automated block digestion system saves you valuable time and provides reproducible digestion conditions around the clock. KJELDATHERM offers you the highest possible degree of safety, with the well thought-out design ensuring a long operating life.

C. Gerhardt offers you Kjeldahl solutions ranging from classical apparatuses for the smallest of quantities to fully automated systems. Combine KJELDATHERM and VAPODEST 500 for the most powerful complete solution on the market.


Target Industries
Get in Touch with the Supplier Now
More about C. Gerhardt
  • Products

    Nitrogen determination with the Dumas method

    Available with a unique manual sample loader or an autosampler for up to 120 samples DUMATHERM performs according to international standards and regulations more

    Automatic Fibre Extraction for Feed Analysis

    Determining the fibre fraction in feed is time-consuming and laborious. C. Gerhardt developed FIBRETHERM to solve this problem more

    Fully automatic acid hydrolysis in 90 min.

    80% less work for laboratory staff ✓ Closed system - maximum safety and no space required in the fume hood ✓ Work according to the reference method - Validated and reproducible more

  • Videos

    Nitrogen determination with the Dumas method

    If you have to determine the protein content of many samples every day, you will be delighted with the DUMATHERM nitrogen analyser. In comparison to the Kjeldahl method, the device works without aggressive chemicals and therefore does not require valuable space in the fume hood. Determine t ... more

    Automatic Fibre Extraction for Feed Analysis

    The usability of animal feed and its impact on animal health depend in large part on the proportions of the different fibre fractions that it contains. The FibreBag method developed by C. Gerhardt makes dissolving and filtering the components significantly easier and ensures more reliable, ... more

    Fully automatic acid hydrolysis in 90 min.

    The time-consuming fat determination according to Weibull-Stoldt is one of the standard quality control procedures in the food industry. Reduce your laboratory staff's attendance time by up to 80% and get to know the only fully automatic hydrolysis system for classical fat determination wor ... more

  • Companies

    C. Gerhardt GmbH & Co. KG

    We are one of the world's leading suppliers of laboratory equipment and analytical systems for food and feedstuffs. We supply industry sectors that place high demands on accuracy and reliability and for whom long-lasting partnerships, flexibility and continuous attention to service are esse ... more