Quantifying nitrogen content to determine protein levels in food and environmental samples requires standardized digestion and distillation procedures. High-performance Kjeldahl analysis instruments are essential for achieving the thermal precision and chemical resistance needed for sulfuric acid digestion. These robust systems provide a seamless connection between preliminary sample analysis and detailed environmental, soil, water, and food analysis.
Why Choose Professional Kjeldahl Analysis Instruments?
Our curated collection of Kjeldahl technology is engineered for high-temperature durability, chemical safety, and analytical accuracy:
- Precision Digestion Vessels: We stock Behr Labor-Technik round-bottom vessels, including 250 ml and 500 ml exposure jars specifically designed for InKjel digestion systems.
- Advanced Catalyst Solutions: Utilize Behr Kjeldahl Catalyst Tablets (KT 4) containing potassium sulfate and selenium to accelerate the digestion process effectively.
- Safety & Fume Management: Explore Behr Fume Removal Units (AE 6) and specialized anti-foam tablets to maintain a safe and clean laboratory environment during heavy acid digestion.
- Specialized Lab Consumables: Ensure accurate nitrogen-free sample handling with Behr Weighing Paper WP and insertable frames for high-throughput vessel management.
LabFriend supplies Kjeldahl analysis instruments from the most trusted specialists in nitrogen determination:
- Behr Labor-Technik: The leading provider of digestion glassware, automated fume extractors, and catalyst tablets for Kjeldahl workflows.
- Buchi: Renowned for industry-standard automated Kjeldahl distillation and digestion units for high-volume laboratories.
- Lenz-Laborglas: Supplies high-precision borosilicate glassware essential for custom distillation setups and connections.
- Hahnemühle: Provides high-purity papers and specialized accessories for nitrogen-sensitive analytical tasks.
Accurate Kjeldahl results often serve as a foundation for broader chemical profiling; to further enhance your laboratory capabilities, we recommend exploring these related categories:
- Extraction Equipment: Complement your nitrogen data with fat analysis using LLG cellulose thimbles and Soxhlet systems.
- Chemical Oxygen Demand (COD): Utilize Behr reaction vessels and air coolers for comprehensive organic load assessment in wastewater.
- Elemental Analysis Tools: Screen samples for water hardness and specific ions using Macherey-Nagel Aquadur® test strips.
- Centrifuge Tubes: Prepare clear sample extracts using high-speed LLG or Eppendorf microtubes before digestion.
Unsure if you require specialized selenium-based catalyst tablets or a specific vessel size for your InKjel system? Our team provides local technical support to help you find the perfect analytical solution with fast shipping and competitive pricing.
Frequently Asked Questions
1. What is the role of a catalyst tablet in Kjeldahl analysis?
Catalyst tablets, such as the Behr KT 4, contain salts and metals (like selenium) that raise the boiling point of sulfuric acid and speed up the oxidation of organic matter into ammonium sulfate.
2. Why is a fume removal unit necessary?
Kjeldahl digestion produces highly corrosive acid fumes. Units like the Behr AE 6 are critical for neutralizing these vapors, protecting both the laboratory environment and the analyst.
3. What type of weighing paper should be used?
It is vital to use nitrogen-free weighing paper, such as Behr WP, to ensure that the paper itself does not add to the nitrogen count during the digestion process.
4. Are Behr digestion vessels compatible with other systems?
Behr vessels are specifically optimized for Behr InKjel and K8 B heating blocks; while some dimensions are standard, you should verify compatibility with your specific digestor brand.
