Return on Investment: DST-1000 Acid Purification System
Technical notes | 2016 | SavillexInstrumentation
ICP-MS analysis requires ultraclean acids due to its low detection limits. Producing 10 ppt-grade acids in-house reduces contamination risk and lowers operational costs.
This note evaluates the economic and analytical benefits of the DST-1000 Acid Purification System by quantifying return on investment (ROI) for laboratories using nitric and hydrofluoric acids at different consumption rates.
The system employs sub-boiling distillation in a PFA still to convert 1 ppb-grade feedstock acids into 10 ppt-grade products. ROI calculations consider acid purchase prices, a 10 % waste factor, negligible power consumption (70 W), and varying monthly acid use scenarios.
The DST-1000 system offers rapid ROI and consistent ultraclean acid production, delivering both economic and analytical advantages. Its adoption can transform laboratory acid supply practices and enhance the reliability of trace metal analyses.
Savillex Technical Note: Return on Investment: DST-1000 Acid Purification System
Sample Preparation
IndustriesManufacturerSavillex
Summary
Significance of the Topic
ICP-MS analysis requires ultraclean acids due to its low detection limits. Producing 10 ppt-grade acids in-house reduces contamination risk and lowers operational costs.
Objectives and Study Overview
This note evaluates the economic and analytical benefits of the DST-1000 Acid Purification System by quantifying return on investment (ROI) for laboratories using nitric and hydrofluoric acids at different consumption rates.
Methodology and Instrumentation
The system employs sub-boiling distillation in a PFA still to convert 1 ppb-grade feedstock acids into 10 ppt-grade products. ROI calculations consider acid purchase prices, a 10 % waste factor, negligible power consumption (70 W), and varying monthly acid use scenarios.
Instrumentation Used
- Savillex DST-1000 Acid Purification System (PFA sub-boiling still)
Main Results and Discussion
- For HNO₃: average lab (2 L/month) saves $700/month, payback in 6.7 months; large lab (6 L/month) saves $2,100/month, payback in 2.2 months.
- For HF: average lab (1 L/month) saves $860/month, payback in 5.5 months; large lab (3 L/month) saves $2,580/month, payback in 1.8 months.
- Three-year net savings range from ~$20,000 to ~$88,000 depending on acid type and usage.
- On-demand purification ensures consistently high acid quality, reducing contamination events associated with bottle reopening.
Benefits and Practical Applications
- Significant cost reduction compared to commercial 10 ppt acid.
- Improved ICP-MS data quality through fresh, uncontaminated acid.
- Enables high purity acid use for sample digestion and cleaning, further lowering blanks.
Future Trends and Applications
- Automation and integration of sub-boiling stills into laboratory workflows.
- Expansion to additional acid types and production scales for diverse analytical needs.
- Integration with data tracking and IoT for real-time quality monitoring.
- Support for green lab initiatives by reducing single-use plastic waste.
Conclusion
The DST-1000 system offers rapid ROI and consistent ultraclean acid production, delivering both economic and analytical advantages. Its adoption can transform laboratory acid supply practices and enhance the reliability of trace metal analyses.
References
Savillex Technical Note: Return on Investment: DST-1000 Acid Purification System
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