Graphite digester Auto GDA series

for environmental analysislaboratorywet

Product description
Raykol Auto GDA series automated graphite digestion system is based on wet digestion principles and automates the full digestion workflow including acid addition, mixing, capping, programmed digestion, acid removal and cooling. A single batch can process up to 72 samples (Auto GDA 72) or 36 samples (Auto GDA 36). The system accepts 50 mL Teflon, polypropylene or quartz vessels and is suitable for heavy metal sample pre-treatment in compliance with international wet digestion standards.

Features of GDA Series Automated Graphite Digestion System

• Teflon mechanical arm to minimise cross-contamination
• Accurate reagent dispensing with dual peristaltic pumps and syringe pump
• Encircled heating for even temperature distribution across samples
• External ventilation unit to save fume hood space
• Graphical Windows software interface with Wi‑Fi for control and data management

Specifications of GDA Series Automated Graphite Digestion System

• Sample capacity: 72 (Auto GDA 72) or 36 (Auto GDA 36)
• Digestion vessel: 50 mL (Teflon / polypropylene / quartz)
• Solvent/reagent channels: 8
• Temperature range: room temperature to 230°C
• Software interface: Windows PC with Wi‑Fi connection
• Instrument dimensions: 90 × 62 × 61 cm (GDA 72); 64 × 62 × 61 cm (GDA 36)
• Instrument weight: 121 kg (GDA 72); 74 kg (GDA 36)
• Instrument power: 3600 W (GDA 72); 2100 W (GDA 36); Power supply 200–240 V, 50/60 Hz
• Ventilation fan: 54 × 39 × 42 cm; 12.5 kg; 180 W
• Storage temperature/humidity: 0–40°C; 20–85% RH
• Operating temperature/humidity: 10–40°C; 20–80% RH

Technical characteristics

• Sample capacity options: 72 or 36 positions
• Compatible vessel types: Teflon, polypropylene, quartz (50 mL)
• Max temperature: 230°C
• Reagent channels: 8 (programmable dispensing)
• Connectivity: Windows software, Wi‑Fi
• Power & dimensions as listed above for each model