Optimize Accuracy and Throughput in Environmental, Food, and Research Labs
A sample digestion system is essential for laboratories conducting chemical analysis, metal trace detection, environmental testing, and food safety inspection. This advanced graphite digestion block is engineered for efficient, accurate, and uniform sample pretreatment, supporting applications such as acid digestion, metal analysis, and EPA-compliant testing.
? Key Features of the Laboratory Digestion System
? 3D Surround Heating for Uniform Temperature
The system uses a three-dimensional heating method, providing even temperature distribution across all digestion tubes. This minimizes thermal gradients and ensures consistent digestion results.
? High Chemical and Thermal Resistance
Constructed from high-purity graphite and optional Teflon coating, the digestion block is resistant to strong acids, alkalis, and high temperatures—ideal for long-term lab operation with corrosive samples.
? PID Digital Control System
The built-in PID controller ensures stable temperature regulation with ±0.1°C precision. Users can set heating time, temperature gradients, and holding phases via a programmable LCD interface.
♻️ Reduced Reagent Usage
With an intelligent recirculation design, this acid digestion unit reduces reagent consumption by up to 50%, making it an environmentally conscious choice for high-volume testing labs.
? Multi-Sample Capacity
Available in 20-hole, 40-hole, and 60-hole models, each with a uniform heating zone. Ideal for high-throughput laboratories processing multiple samples in a single run.
⚠️ Built-In Safety Features
The digestion system includes over-temperature alarms, automatic shutoff, and corrosion-resistant insulation to protect users and ensure safe operations.
⚙️ Specifications Overview
| Model | Heating Power (W) | Max Temperature (°C) | Sample Capacity (holes) | Heating Material |
|---|---|---|---|---|
| 20-hole | 1800 | 240 | 20×50 mm | High purity graphite + Teflon |
| 40-hole | 2100 | 240 | 40×50 mm | High purity graphite + Teflon |
| 60-hole | 3000 | 240 | 60×50 mm | High purity graphite |
| 20-hole high-temp | 3000 | 450 | 20×50 mm | High purity graphite |
| 40-hole high-temp | 3000 | 450 | 40×50 mm | High purity graphite |
Temperature control accuracy: ±0.1°C
Uniformity between holes: ±1.5°C
Power supply: AC220V / 50Hz
✅ Complies With Major Standards
This laboratory digestion unit supports digestion methods according to:
EPA soil and water methods (e.g., 3010a, 3050b, 200.7)
GB/T and ISO protocols for environmental and food testing
SI11365-2006 for electronic product treatment
? Suitable For Multiple Laboratory Applications
Environmental Monitoring – soil, wastewater, and heavy metal analysis
Food Safety – trace elements, nutrient content verification
Disease Control Centers – biological sample digestion
Industrial Research – material characterization and pretreatment
Whether you're processing water samples, soil extractions, or plant tissues, this graphite digestion system provides the heat control and reliability required for complex lab environments.
? Flexible Configuration & Customization
Need custom tube sizes, sample holders, or control programs? The digestion block supports user-defined protocols and is compatible with a wide range of digestion tube types (φ31×50 mm standard).
? Request a Quote or Technical Support
Looking for a reliable and precise digestion block system?
Contact our technical team for full specifications, availability, and expert consultation.
