Environmental Express ABF5000 AutoBlock® Fill Filling Station
| Brand | Environmental Express |
|---|---|
| Origin | USA |
| Model | ABF5000 |
| Cavity Class | Industrial-Grade |
| Sample Throughput | Up to 96 wells per run (compatible with HotBlock®, HotBlock Pro®, and HotBlock 200 formats) |
| Reagent Dispensing Accuracy | ±0.5% CV (based on Masterflex peristaltic pump performance) |
| Dispensing Range | 0.1–100 mL per well |
| Increment Resolution | 0.1 mL |
| Power Supply | 120/240 VAC, 50/60 Hz |
| Footprint | 30.5 × 25.4 × 35.6 cm (W × D × H) |
| Included Components | Integrated control software, dual-channel Masterflex peristaltic pump, PTFE tubing set, five 1-L glass reagent bottles, one 100-mL waste bottle, mounting hardware, touchscreen interface |
Overview
The Environmental Express ABF5000 AutoBlock® Fill Filling Station is an industrial-grade, benchtop reagent dispensing system engineered for precise, repeatable, and safe liquid handling in regulated sample preparation workflows—specifically designed to automate the most hazardous step in acid digestion protocols: manual addition of concentrated acids (e.g., HNO₃, HCl, HF, H₂O₂) to samples prior to microwave or hot-block digestion. Unlike general-purpose liquid handlers, the ABF5000 integrates directly with Environmental Express HotBlock® series digestion platforms (including HotBlock®, HotBlock Pro®, and HotBlock 200), leveraging pre-configured well-map templates that align with standard digestion block geometries (e.g., 12×8, 6×12, or custom layouts). Its core architecture employs calibrated Masterflex® peristaltic pump technology—validated for chemical resistance and volumetric consistency—to deliver traceable, low-shear reagent delivery without cross-contamination. The system operates under negative pressure within a fume hood or laminar flow enclosure, eliminating operator exposure to corrosive vapors and minimizing risk of splashing or over-pressurization during high-acid transfers.
Key Features
- Industrial-grade construction with corrosion-resistant housing and chemically inert PTFE fluid path components for long-term reliability in aggressive acid environments
- Touchscreen interface with intuitive graphical workflow navigation; also supports remote operation and method management via USB or Ethernet-connected PC
- Pre-loaded digestion block templates for seamless integration with Environmental Express HotBlock® systems—no manual coordinate mapping required
- Dual independent peristaltic pump channels enable simultaneous dispensing of two different reagents (e.g., nitric acid + hydrogen peroxide) into designated wells
- Dispensing volume range from 0.1 mL to 100 mL per well, adjustable in 0.1 mL increments, with volumetric accuracy validated per ISO 8655-3 for piston-type dispensers
- Integrated audit trail logging (time-stamped event records) compliant with GLP and FDA 21 CFR Part 11 requirements when used with validated software configuration
Sample Compatibility & Compliance
The ABF5000 supports all standard digestion vessel types used with HotBlock platforms—including 50 mL and 100 mL quartz, borosilicate glass, and PFA vials—as well as EPA Method 3050B, 3051A, 3052, and ASTM D5511-compliant sample matrices (soils, sediments, sludges, biological tissues, and polymers). It meets OSHA laboratory safety standards for enclosed acid handling and is designed to operate within ANSI/AIHA Z9.5 ventilation guidelines. All firmware and control logic are CE-marked and conform to IEC 61000-6-2 (immunity) and IEC 61000-6-3 (emissions) for electromagnetic compatibility in shared lab environments.
Software & Data Management
The included AutoBlock Fill Control Software provides method creation, validation, and execution tracking. Users define dispensing sequences by selecting pre-mapped block layouts, assigning reagents to specific wells, and setting volumes per position. Each run generates a digitally signed log file containing operator ID, timestamp, method name, actual dispensed volumes (with pump rotation count correlation), and system status flags. Data export is supported in CSV and PDF formats for LIMS integration. Optional IQ/OQ documentation packages are available for GMP-regulated laboratories requiring formal installation and operational qualification.
Applications
- Automated acid addition for EPA-compliant metal digestion (As, Cd, Cr, Pb, Hg, Ni, Zn) in environmental monitoring labs
- Standardized reagent loading for certified reference material (CRM) preparation and QC spike recovery studies
- High-throughput dilution and spiking workflows in food safety testing (e.g., ICP-MS analysis of heavy metals in infant formula)
- Reduced analyst variability in clinical toxicology labs performing blood/urine metal digestion per CLIA and CAP requirements
- Method transfer support between research, contract testing, and regulatory compliance laboratories due to deterministic, software-controlled dispensing
FAQ
Is the ABF5000 compatible with non-Environmental Express digestion blocks?
Yes—custom well-coordinate mapping is supported via CSV import; however, pre-validated templates are only provided for HotBlock®, HotBlock Pro®, and HotBlock 200 configurations.
Can the system be calibrated in-house?
Yes—gravimetric calibration procedures are documented in the user manual and align with USP and ISO/IEC 17025 guidelines for volumetric dispensing equipment.
Does it support multi-step sequential dispensing (e.g., acid followed by oxidizer)?
Yes—multi-stage methods can be programmed with timed delays and inter-step verification prompts to ensure process integrity.
What maintenance is required for the peristaltic pump tubing?
PTFE tubing should be inspected every 200 hours of operation and replaced after 500 hours or upon visible deformation, per Masterflex® pump head specifications.
Is network connectivity required for routine operation?
No—standalone touchscreen operation is fully functional; network connection is optional for centralized method deployment and electronic record archiving.
