Residue on Ignition (ROI), described in USP <281>,is a widely used test for determining the amount of non-volatile inorganic residue remaining after a sample is ignited under specified conditions.
Although the procedure may appear straightforward, several steps—including sample charring, sulfuric acid treatment, ignition temperature control, cooling, and repeated weighing—can have a direct impact on the final result.
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For laboratories performing routine evaporation residue testing, this approach provides an alternative to conventional manual gravimetric procedures and supports a more efficient and standardized testing workflow. Continue reading
The C870 series is suitable for Loss on Drying testing applications across pharmaceutical, food, and chemical industries.
In pharmaceutical laboratories, it can be used for testing raw materials, excipients, intermediates, and finished products according to major pharmacopoeia requirements.
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Traditional Loss on Drying testing requires operators to manually transfer samples between drying equipment and analytical balances.
During this process, temperature changes, humidity variations, and handling differences may affect measurement stability and final results.
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In pharmaceutical manufacturing, Loss on Drying is an important quality control parameter for raw materials, intermediates, and finished products. The content of moisture and other volatile components may directly influence product stability, processing performance, and storage conditions. Continue reading