Catalog excerpts
The 5E-CHN2200 Series is a range of modern and compact analysers designed for unattended and full determination of CHN,or Nitrogen/ Protein in any type of sample from solid to liquid
Open the catalog to page 1SAMPLE APPLICATIONS • Meat • Flour * Plastic • Plant tissue The Nitrogen Protein Analyser is a powerful Dumas Protein/ Nitrogen Analyser, able to perform precise nitrogen and protein determination. Known also as the “Combustion method”, it ensures precise results in few minutes by quickly breaking down the sample into its gaseous compounds. Gases produced, such as H20 and C02, as well as excess 02 are trapped and removed and NOx is reduced in order to ensure the accurate detection of the nitrogen. For the last 25 years Dumas has been preferred to the Kjeldahl method even in laboratories...
Open the catalog to page 2An encapsulated sample is placed into the loading head of the TCN2200, which is sealed and purged of any atmospheric gases that have entered during sampling loading. The sample is then dropped into a hot furnace which incorporates a unique high pressure pure oxygen design for very rapid combustion. By-products of combustion - C02, H20, NOx, and N2 - pass through the furnace filter and dust trap for subsequent collection in a ballast apparatus. These collected gases in the ballast are mixed, and then a small aliquot dose is taken and all gases removed or reduced until just Nitrogen remains....
Open the catalog to page 3Conforms to Method Analysis Time Auto- Sampler Repeatability Sample Mass Temp. Resolution SPECIFICATION DATA5E-TCN2200 AOAC990,AACC,ASBC,iSO,OIV 4-5 minutes, depending on sample combustion conditions Stackable auto loader, up to 70 samples Nitrogen(Nad)<0.08% Max. lOOOmg (depending on sample matrix) 1°C Measurement Rang Furnace Type Power Supply Net Weight Dimensions(LxWxH) Helium, 99.995%, 0.25± 0.01 Mpa Oxygen, 99.995%, 0.25± 0.01 Mpa Nitrogen or compressed air, 0.25± 0.01 Mpa Nitrogen: 0.1mg-50mg Resistance furnace (main furnace and Secondary furnace). Maximum temperature 1050°C 220±10%...
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