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Foss™ FT 122/121 Fibertec™ Cold Extraction Unit

For simple determination of crude fiber and detergent fiber according to standard reference “crucible« methods such as Weende and van Soest

Supplier:  Foss™ 60063237

Catalog No. 12-053-115

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Designed for raw materials and finished products in feed and agriculture.

  • Uses externally preheated reagents
  • Both units (Hot and Cold) are adapted to the same crucible system that permits samples to be dried and weighed between extractions; crucibles are an integral part of the extraction assembly
  • With a vacuum/reverse air flow system

  • FT122 Water supply: Tap water for condensors (approx. 2L/min.) and water aspirator (during filtration)
  • FT121 Water Supply: Tap water for water aspirator (during filtrration)

FT 122 Fibertec Hot Extraction Unit: for hot hydrolysis and extraction with built-in systems for heating and filtration
FT 121 Fibertec Cold Extraction Unit: for defatting samples, extraction at ambient tempeatures, e.g., lignin determination and for solvent dehydration of fiber residues


Crude Fibre (CF), Neutral Detergent Fibre (NDF), amylase treated Neutral Detergent Fibre (aNDF), Acid Detergent Fibre (ADF) and Acid Detergent Lignin (ADL)



Extraction Unit
±1%, relative, at 5% to 30% fiber level
Per official methods
Cold Extraction: Defatting samples, extraction at ambient tempeatures, e.g., lignin determination and for solvent dehydration of fiber
11 in.
15 in.
22 in.
9 lb.
Up to six samples simultaneously
Up to 36 analyses (crude fiber method according to Weende) per day
Cold Extractor
38 x 56 x 28 cm
28 cm
38 cm
56 cm
4 kg


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