GeoDigest™ 10 mL Isotope-Grade Sealed Digestion Vessel
| Brand | Binzhenghong |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | 10 mL |
| Pricing | Upon Request |
Overview
The GeoDigest™ 10 mL Isotope-Grade Sealed Digestion Vessel is a high-purity, low-blank pressure digestion system engineered specifically for geochemical and isotopic analysis workflows. Designed to meet the stringent requirements of radiogenic and stable isotope ratio mass spectrometry (IRMS, MC-ICP-MS, TIMS), this vessel enables complete, reproducible acid dissolution of refractory geological matrices—including zircons, monazites, granites, basalts, and phosphate minerals—under controlled high-temperature, high-pressure conditions. Its sealed configuration prevents volatile element loss (e.g., B, Li, Mg, Ca, Sr, Pb) and minimizes atmospheric contamination, ensuring sub-picogram-level blank performance critical for high-precision isotope ratio measurements. Constructed from ultra-clean, low-outgassing PTFE-TFM™ or quartz-lined variants (model-dependent), the vessel operates within standard hot-block or oven-based digestion protocols compliant with ASTM D5687, ISO 11466, and USP for trace metal analysis.
Key Features
- Isotope-optimized geometry: 10 mL internal volume with conical bottom and precision-machined sealing interface to ensure uniform thermal transfer and eliminate dead-volume retention during evaporation or reflux.
- Ultra-low elemental blanks: Pre-cleaned via multi-stage sub-boiling HNO₃/HF leaching and certified for ≤0.5 pg/g background levels of U, Th, Pb, and rare earth elements (REEs) per batch.
- Pressure-rated design: Withstands sustained operation up to 120 °C at 1.5 MPa (217 psi), compatible with standard laboratory heating blocks and programmable ovens equipped with safety interlocks.
- Material integrity: TFM-PTFE body with chemically inert, non-wetting surface; optional quartz inner liner available for HF-resistant applications requiring minimal Si contribution.
- Traceability & QC documentation: Each lot supplied with Certificate of Analysis (CoA) including ICP-MS trace element screening data, isotopic blank verification reports, and compliance statement against ISO/IEC 17025-accredited testing procedures.
Sample Compatibility & Compliance
The GeoDigest™ vessel accommodates solid geological samples up to 200 mg (dependent on matrix density and acid volume), supporting open-vessel pre-digestion followed by final sealed-step dissolution in mixtures of HF–HNO₃–HClO₄ or HNO₃–H₂O₂. It is validated for use in EPA Method 3052, ASTM D7348 (for Pb isotopes in soils), and ISO 13877 (trace elements in sediments). All vessels are manufactured under cleanroom-class conditions (ISO Class 5), with packaging in double-bagged, nitrogen-flushed laminated pouches to prevent airborne particulate adsorption. Documentation supports GLP/GMP audit readiness, including raw material traceability, process validation records, and environmental monitoring logs.
Software & Data Management
While the GeoDigest™ vessel itself is hardware-only, it integrates seamlessly into laboratory information management systems (LIMS) and electronic lab notebooks (ELN) via standardized sample tracking barcodes printed on each pouch. Batch-specific CoA files are delivered in machine-readable PDF/A-2 format with embedded metadata (e.g., lot number, cleaning date, certified blank values), enabling automated import into platforms such as LabWare LIMS, Thermo Fisher SampleManager, or Agilent OpenLab ECM. Full digital traceability supports 21 CFR Part 11 compliance when used in regulated geochemical reference material certification programs.
Applications
- Precise dissolution of U–Pb geochronology standards (e.g., NIST SRM 610, MPI-DING glasses) prior to MC-ICP-MS analysis.
- High-yield recovery of Sr and Nd from silicate rocks for TIMS-based isotopic fingerprinting.
- Controlled leaching of carbonate-associated sulfate (CAS) for δ³⁴S analysis without oxidation artifacts.
- Preparation of certified reference materials (CRMs) for inter-laboratory isotope comparison studies (e.g., EARTHTIME, IRMM).
- Routine quality control in commercial geoanalytical labs performing ISO/IEC 17025-accredited isotope ratio testing.
FAQ
What acid systems are compatible with the GeoDigest™ 10 mL vessel?
HF–HNO₃ (up to 48% HF), HNO₃–HClO₄, and HNO₃–H₂O₂ mixtures are fully supported. Quartz-lined variants are recommended for >20% HF concentrations.
Can these vessels be reused?
No—they are designed for single-use to maintain blank integrity and avoid cross-contamination between isotopically distinct samples.
Do you provide lot-specific blank data for every shipment?
Yes. Each order includes a full CoA with ICP-MS quantification of 35+ elements, verified against in-house CRMs traceable to NIST SRM 3100 series.
Is the vessel compatible with microwave digestion systems?
Not intended for microwave use. Designed exclusively for conductive/convective heating in dry blocks or ovens to ensure predictable thermal ramping and pressure profile control.
How is sterility and particulate contamination controlled during manufacturing?
Production occurs in ISO Class 5 cleanrooms with HEPA-filtered air handling, stainless-steel tooling passivated per ASTM A967, and final inspection under Class 100 laminar flow hoods using dark-field microscopy.
