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A Semiautomated Procedure for Total Nitrogen in Plant and Soil Samples1

✍ Scribed by Gallaher, R. N.; Weldon, C. O.; Boswell, F. C.

Book ID
121517610
Publisher
The American Society of Agronomy
Year
1976
Tongue
English
Weight
156 KB
Volume
40
Category
Article
ISSN
0361-5995

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Spectrophotometric determination of boro
Spectrophotometric determination of boron in plant and soil samples by a new solvent extraction procedure
✍ C. C. Weir πŸ“‚ Article πŸ“… 1970 πŸ› John Wiley and Sons 🌐 English βš– 266 KB πŸ‘ 1 views

## Abstract A routine method has been developed for the determination of boron in plant and soil samples. The boron in the prepared samples is converted into BF~4~‐ in a H~2~SO~4~‐HF system, then extracted as a coloured complex with Azure‐C (or mthylne blue) into dichloroethane and finally determin