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Semiautomated determination of nitrogen in nitrate containing fertilizers

โœ Scribed by Larson, Sandra L.; Peterson, Harvey P.


Book ID
126941730
Publisher
American Chemical Society
Year
1979
Tongue
English
Weight
217 KB
Volume
51
Category
Article
ISSN
0003-2700

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Total nitrogen determination for plant m
โœ E.F. Eastin ๐Ÿ“‚ Article ๐Ÿ“… 1978 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 206 KB

A nonfoaming method for semimicro Kjeldahl determination of total nitrogen in plant samples containing appreciable amounts of nitrate was developed for use with a digestion block utilizing test tubes for digestion flasks. The sample (30 to 200 mg) is treated with 5 ml of a sulfuric acid:salicylic ac