Skip to Content
Merck
All Photos(1)

Key Documents

CLS3340500

Pyrex® Kjeldahl nitrogen distilling apparatus, ST joints

capacity 500 mL

Sign Into View Organizational & Contract Pricing


About This Item

UNSPSC Code:
41121800
NACRES:
NB.43

manufacturer/tradename

Corning 3340-500

capacity

500 mL

Looking for similar products? Visit Product Comparison Guide

Related Categories

General description

Used for determining nitrogen in organic compounds. This assembly includes a Kjeldahl flask specifically developed for this process. Both the digestion and distillation stages can be performed in this flask. the assembly shown is the distillation stage, where the amount of ammonia, and hence, nitrogen is established. the inlet tube allows the permanganate solution to be introduced after distillation. Supplied with and outer ST 29/42 joint on the flask and an outer ST 19/38 joint on the condenser. Total height is 410mm; total width is 300mm; maximum O.D. is 97 mm.

Legal Information

PYREX is a registered trademark of Corning, Inc.

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Articles

Learn how water impurities can impact the Kjeldahl nitrogen method. Get recommendations for accurate Kjeldahl analysis and total Kjeldahl nitrogen (TKN) tests. Select the optimal water purification system.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service