Cole-Parmer SC4200 Graphite Block Digestion System
| Brand | Cole-Parmer |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Imported |
| Model | SC4200 |
| Pricing | Upon Request |
Overview
The Cole-Parmer SC4200 Graphite Block Digestion System is a precision-engineered thermal platform designed for standardized, high-throughput acid digestion of environmental and regulatory-compliant samples—particularly water, soil, sludge, and surface wipe extracts—prior to trace metal analysis by ICP-MS, ICP-OES, or AAS. Unlike open-vessel hot plates or microwave systems, the SC4200 employs uniform graphite heating blocks with PID-controlled temperature regulation (typically 30–220 °C) to ensure reproducible thermal profiles across all sample positions. Its architecture conforms to EPA Methods 3050B, 3051A, 3052, and ASTM D3682, supporting digestion protocols required for compliance with Clean Water Act (CWA), Resource Conservation and Recovery Act (RCRA), and Safe Drinking Water Act (SDWA) reporting. The system integrates seamlessly with certified low-background consumables—including UltimateCup™ digestion tubes and GhostWipe® pre-wetted sampling media—to minimize procedural blank contributions and uphold detection limits at sub-ppt levels.
Key Features
- Graphite heating block with ±0.5 °C temperature uniformity across 24–48 positions (configuration-dependent), ensuring consistent digestion kinetics and inter-sample comparability.
- Programmable ramp-and-hold temperature profiles with up to 5-step sequences, enabling method-specific digestion cycles (e.g., 95 °C for 30 min → 120 °C for 60 min → 150 °C for 90 min).
- Corrosion-resistant ceramic-coated housing and PTFE-coated drip trays compatible with HNO₃, HCl, HF, and H₂O₂-based digestants.
- Integrated fume extraction port (1.5″ NPT) for direct coupling to laboratory exhaust or secondary scrubber systems.
- CE-marked and UL-listed electrical safety certification; meets IEC 61010-1 requirements for laboratory equipment.
Sample Compatibility & Compliance
The SC4200 supports digestion of aqueous matrices (drinking water, wastewater, leachates), solid-phase samples (sediments, soils, dust wipes), and biological digests per EPA SW-846 protocols. All recommended consumables—including UC475-NL 50 mL UltimateCup™ tubes—are certified for ≤1 pg/mL background levels across 68 elements (As, Cd, Cr, Cu, Pb, Ni, Zn, etc.), traceable to NIST SRMs. Each lot carries a Certificate of Analysis (CoA) verifying elemental contamination at ppt–pptv levels. Tubes are manufactured from isotactic polypropylene homopolymer (not copolymer), offering superior resistance to concentrated acids at elevated temperatures (up to 130 °C sustained). Packaging maintains ISO Class 5 cleanroom-equivalent handling to prevent airborne particulate or metallic contamination prior to use.
Software & Data Management
While the SC4200 operates via front-panel digital interface (no embedded PC), it supports full GLP/GMP traceability when paired with LIMS-integrated lab notebooks or validated electronic logbooks. Temperature setpoints, ramp rates, hold durations, and operator IDs can be manually recorded in audit-trail-compliant formats aligned with FDA 21 CFR Part 11 requirements. Optional USB data-logging modules (sold separately) enable time-stamped temperature export to CSV for QA/QC review. All certified consumables include batch-specific QR-coded CoAs accessible via Environmental Express’ online portal—providing real-time verification of traceability, expiration, and elemental background data.
Applications
- Routine COD and total metal digestion for municipal wastewater treatment plant monitoring (EPA 200.7, 200.8, 200.9).
- Lead and beryllium surface wipe analysis per ASTM E1792 and HUD Guidelines for Renovation, Repair, and Painting (RRP) programs.
- Soil and sediment digestion under EPA Method 3050B for RCRA Toxicity Characteristic Leaching Procedure (TCLP) preparation.
- Trace-level mercury and arsenic quantification in drinking water per EPA Method 200.9 using hydride generation-AAS.
- Validation of field-collected GhostWipe® samples containing certified Pb loadings (175–250 mg/tube) for laboratory QC spike recovery assessment.
FAQ
What digestion methods are validated for use with the SC4200 system?
EPA Methods 3050B, 3051A, 3052, and ASTM D3682 are fully supported; method-specific validation reports are available upon request.
Are UltimateCup™ tubes compatible with other digestion platforms?
Yes—UC475-NL tubes meet dimensional and thermal specifications for compatibility with Environmental Express HotBlock®, SCP Science DigiPREP®, and comparable graphite block systems.
How is background contamination verified for each tube lot?
Every production lot undergoes ICP-MS analysis for 68 elements; results are reported in ppq–ppt ranges and archived with NIST-traceable calibration certificates.
Can the SC4200 be used for HF-containing digestions?
Yes—graphite blocks are inert to hydrofluoric acid when used with PTFE-coated trays and certified HF-compatible tubes (e.g., UC475-NL); proper fume extraction is mandatory.
Is software validation support provided for 21 CFR Part 11 compliance?
The instrument itself does not include software; however, Cole-Parmer provides documentation templates and SOP guidance for integrating SC4200 operation into Part 11–compliant workflows.
