Wuhan Runfan Biotechnology
The customer purchased the VicoMeter WKT-C9 Karl Fischer moisture analyzer with the matching WKT-V2 Karl Fischer oven. The WKT-C9 is a volumetric Karl Fischer titrator independently developed by VicoMeter; the WKT-V2 is Victor's fourth-generation oven with a user-friendly touchscreen. Paired with our analyzers, the VicoMeter 'Volcano' series WKT-V2 suits insoluble samples (battery materials, plastics and rubber, greases, pharmaceuticals, new materials, moisture-regaining and volatile samples) across plastics, battery, new materials, medical, and electronics industries!
The VicoMeter WKT-C9 fully automatic Karl Fischer moisture analyzer uses the volumetric Karl Fischer principle to rapidly determine moisture down to 10 ppm, measuring solids, liquids, and powders within 30 seconds. Its built-in RS232 port connects printers, balances, computers, and other peripherals, and it stores 200 data sets with real-time query. A further upgrade of the Victor smart-series moisture analyzer, the C9 delivers a higher level of automation and precision. It complies with multiple national and international moisture standards as well as pharmacopoeia requirements and is widely used in chemicals, petroleum, pharmaceuticals, power, food, batteries, plastics, research, and testing.
When measuring moisture with a Karl Fischer analyzer, most samples can be added directly to the generator cell/titration cell for simple, accurate testing. Some samples, however, cannot be added directly because their moisture is not released naturally or they undergo side reactions with the Karl Fischer reagent — for example powders, granules, pastes, and oxidizing inorganic salts.
For samples that cannot be added directly to the cell, pairing the WKT-V2 Karl Fischer oven for gas-phase extraction is the perfect solution. The sample is placed in a vial and moved onto the oven, heated to a specific temperature (up to 300˚C), and the moisture is extracted and carried into the cell by dry air or nitrogen, then measured perfectly.
The customer mainly tests feed additives. Since the samples do not dissolve in methanol, direct volumetric measurement was impossible—the WKT-V2 Karl Fischer oven was required.
The engineer confirmed the gas source; as PPM-level results were not required, the built-in air compressor was used. After assembling and commissioning the C9 and standardizing the reagent, the V2 was connected for a 300-second drift test. Sample testing followed with small injections due to high moisture: 0.2141g gave 6.96% and 0.2284g gave 6.79%—stable, repeatable, and within expectations.
Wuhan Runfan Biotechnology Co., Ltd. is an innovative enterprise focused on efficient, green, environmentally friendly feed additive R&D, production, and services. Located in Wuhan Optics Valley—East Lake High-Tech Creative City—it has expert technical and professional service teams striving for better service and solutions.
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