Specifications.pdf

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Attached to
Digestion and Distillation Instrument Federal contract opportunity
Solicitation number
12505B21Q0224
Issued by
Department of Agriculture Agricultural Research Service Field Research Implementation and Information Delivery Midwest Area

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Item: Digestion and distillation instruments for analysis of N content using the Kjeldahl method.

Statement of Work: We request a set of instruments for measurement of N concentration in samples using the Kjeldahl method. The system will be used for lab work. The system shall meet the following specifications:

• The equipment shall be suitable for quantification of total N in samples collected hydroponic solution, soil water, and plant tissues.

• N quantification shall include nitrate, either directly or by additional sample preparation.

• The equipment shall include a digestion unit that can process at least 16 samples.

• The digestion equipment shall have a vacuum system to trap and neutralize exhaust gases from the digestion process that starts automatically during digestion.

• The equipment shall include a steam distillation unit to separate ammonium from the sample.

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