Wet digestion system for ash determination
Optimize your lab’s efficiency and data accuracy with this advanced pre-incineration unit, designed to streamline ash determination, including sulfated ash and loss on ignition, and ensure compliance with stringent procedural standards.

The Wet Digester B-440 by BUCHI is a versatile pre-incineration unit tailored for high-accuracy ash content analysis in laboratories across pharmaceutical, chemical, food, and environmental industries. Unique for its programmable temperature and time profiles, the Wet Digester B-440 supports precise incineration and sulfated ash determination. This equipment operates effectively within a temperature range of up to 600 °C, accommodating various sample types—from solids to powders. It integrates seamlessly into pre-processing setups and ensures compliance with U.S. Pharmacopeia standards, making it ideal for regulated environments. The unit features a corrosion-reducing glass hood and an efficient acid fume management system via the Scrubber K-415, optimizing laboratory safety and air quality. With programmable incineration ramps and support for multiple crucible sizes, this digester enhances operational flexibility and data reproducibility.
Benefits
- Enhances data accuracy and consistency with programmable temperature/time profiles.
- Ensures safety and environmental compliance by efficiently managing acid fumes.
- Offers operational flexibility with a wide temperature range and various crucible sizes.
- Meets stringent regulatory standards, suitable for highly controlled laboratory environments.
- Improves laboratory air quality and equipment longevity by reducing corrosion risks.
- Applications
- Chemicals,Food analysis,Material science,Environmental analysis,Pharmaceuticals
- End products
- Environmental ash content samples,Food sample ash content,Chemical catalysts,Composite material fillers,Pharmaceutical excipients
- Steps before
- Sample Preparation,Grinding,Weighing
- Steps after
- Ash Analysis,Data Recording,Sample Cooling
- Input ingredients
- samples,acid fumes
- Output ingredients
- ash,sulfated ash,loss on ignition
- Temperature Range
- Up to 600 °C
- Programmability
- Programmable temperature/time profiles
- Compliance
- U.S. Pharmacopeia <281> and <733>
- Crucible Compatibility
- Variety of sizes
- Fume Capture
- Glass hood and scrubber system
- Automation level
- Programmable
- Batch vs. continuous operation
- Batch
- Temperature range
- Up to 600 °C
- Programmable incineration ramps
- Yes
- Fume capture and scrubbing
- Glass hood and Scrubber K-415
- Corrosive resistance (e.g. acids)
- Yes
- Cleanability
- High
- U.S. Pharmacopeia
- <281>,<733>
- Temperature range
- Up to 600 °C
- Glass hood
- Yes
- Control panel
- Programmable
- Corrosion resistance
- Yes (fume capture system)
- Crucible sizes
- Varied
- Temperature range
- Up to 600 °C
- Crucible size
- Differently sized crucibles
- Programmable incineration ramps
- Yes
- Market info
- Buchi is renowned for its expertise in laboratory and industrial solutions, particularly in producing high-quality equipment for chemical analysis and lab processes, known for precision and reliability in the pharmaceutical, chemical, and food industries.