LECO FP-528 Nitrogen/Protein Determinator

The FP-528 Nitrogen/Protein Determinator is a cost-effective alternative to Kjeldahl digestion methods.

An encapsulated sample is placed into the loading head of the FP-528, where it is sealed and purged of any atmospheric gases that have entered during sampling loading. The sample is then dropped into a hot furnace and flushed with pure oxygen for very rapid combustion.

By-products of combustion—CO , H O, NO , and 22 x N —pass through the furnace filter and thermoelectric 2 cooler for subsequent collection in a ballast apparatus. These collected gases in the ballast are equilibrated, and a small aliquot dose is then used for further conversion of the gases. The remaining aliquot that has been reduced is measured by the thermal conductivity cell for nitrogen.

The system is controlled by an external PC using custom-designed operating software.

Features:

• Complies with AOAC, AACC, and ASBC approved methods
• Results in four minutes
• Solid or liquid samples
•  Minimal routine maintenance
• Oxygen reach combustion assures complete conversion
• Thermoelectric cooler efficiently removes moisture from the evolved gases without the use of chemicals
• Ballasts and aliquot system decreases consumable usage and ensures complete homogenization prior to determintation