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

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 KJELDATHERMautomated 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 VAPODEST500 for the most powerful complete solution on the market.

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Products

Automatic Steam Distillation for Kjeldahl Analysis

With VAPODEST you distill your samples for the determination of nitrogen, cyanide, SO2, ammonia, phenol, sorbic acid or alcohol safely and quickly more

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

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

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Videos

Automatic Steam Distillation for Kjeldahl Analysis

Nitrogen determination according to Kjeldahl is recognized the world over as a reference method, so optimal sample preparation is a must. VAPODEST lets you distill safely and quickly not only samples for the determination of nitrogen according to Kjeldahl, but also of cyanide, SO2, ammonia, ... more

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

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White papers

Nitrogen / Protein Analysis for Starch

Starch products only contain very low concentrations of proteins. For analysis, the Dumas combustion method has established itself as second reference method more

Are Macro Sample Weights at Macro Costs Still Viable Today?

Cost efficiency and the conservation of resources are very often a contradiction. The protein/nitrogen analysis system DUMATHERM brings both demands together more

Improved automatic steam distillation for determining alcoholic strength in spirits and liqueurs

Excellent alternative for sample cleanup of volatiles from complex matrices. Major advantages are the low costs for consumables per analysis more