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Rech Chemical teach you how to test the iron content in ferrous sulfate?

Views: 1638     Author: VV     Publish Time: 2016-08-24      Origin: Rech Chemical Co. LTD

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The minimum iron content of ferrous sulphate monohydrate and ferrous sulfate heptahydrate produced by Rech Chemical Co. Ltd is separately 30% and 19.7%, which are full qualified the national standard. As enterprise users, how to test the iron content in practical applications?

The most common method to test iron content in ferrous sulfate is titration method with heavy collaterals potassium acid standard solution. The specific steps are follows:
1.     Weight and put a certain amount of ferrous sulfate in a conical flask.
2.     Mix 3 mol/L sulfuric acid and 85% phosphoric acid together and add the dissolved solution in the flask.
3.     With diphenylamine sulfonate as indicator, titrate with prepared potassium dichromate solution.
4.     When ferric iron deoxidated into bivalent iron, then the total ferrous iron consumption could be counted .

This test method, simple and accurate, is proper solution for ferrous sulfate consuming enterprises who need iron content in applications.
By the way, " How to test
 the iron content in zinc sulfate "can be found in our webste.


Rongqing Chemical Co., Ltd
 Address: Sunshine 100,Yue Lu District,Changsha,Hunan,China.
Tel: +86-731-85864603 
 Email : Info@rqsulfates.com 
 Skype: rech.chemical 
Website: www.rqsulfates.com

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