Image-based analysis of uniaxial ring test for mechanical characterization of soft materials and biological tissues - Soft Matter (RSC Publishing)
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Precipitin reaction (The Ring Test): Principle, Requirements, Procedure, Observations and Results interpretation - Online Biology Notes
![a Explain with the help of a balanced equation the brown ring test for nitric acid.b Why is freshly prepared ferrous sulphate solution used for testing the nitrate radical in the brown a Explain with the help of a balanced equation the brown ring test for nitric acid.b Why is freshly prepared ferrous sulphate solution used for testing the nitrate radical in the brown](https://search-static.byjusweb.com/question-images/byjus/infinitestudent-images/ckeditor_assets/pictures/66115/content_1.jpg)