High-performance liquid chromatographic analysis of water-soluble vitamins in tablets with automatic continuous-flow sample preparation
1983

Automated Analysis of Water-Soluble Vitamins in Tablets

Sample size: 9 publication Evidence: moderate

Author Information

Author(s): S. C. Coverly

Primary Institution: Technicon Instruments Company Ltd

Hypothesis

The efficiency of high-performance liquid chromatography (HPLC) can be improved with automated sample preparation techniques.

Conclusion

A fully automated method for analyzing water-soluble vitamins in tablets and capsules has been developed, increasing analysis rate and reducing errors.

Supporting Evidence

  • The system can analyze five to 10 samples per hour.
  • Linearity, recovery, and reproducibility are similar to previously reported manual LC methods.
  • The day-to-day precision for the vitamins was between 1.8% and 5.8%.

Takeaway

This study created a machine that can quickly check how much of certain vitamins are in tablets, making it easier and faster than doing it by hand.

Methodology

The study used a FAST-LC system for automated sample preparation and HPLC analysis of vitamins in various multi-vitamin products.

Limitations

The system was not suitable for veterinary products containing meat and bone meal due to blockage issues.

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