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| Determination?of?Silica?by?Methylcellulose Condensation Weight Method |
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Received:June 06, 2013
Revised:July 11, 2013
Published Online:December 19, 2013
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| DOI：doi:10.3969/j.issn.2095-1035.2013.04.015 |
| KeyWord:weighting method；silica；methylcellulose |
| Author | Institution |
| WU Xiuying |
Laboratory of Jiangxi Geological Science Institute, Nanchang, Jiangxi ,?China |
| ZHAO Zilong |
Laboratory of Jiangxi Geological Science Institute, Nanchang, Jiangxi ,?China |
| WU Yaohui |
Laboratory of Jiangxi Geological Science Institute, Nanchang, Jiangxi ,?China |
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| Abstract: |
| A weight method?using?methylcellulose(MC) as flocculants to condense silica was?developed to determine silica. ?The effect of?solution volume, the dosage of MC and temperature, etc.?on the condensation of silica?were studied and the optimal conditions were selected.?The effects of methylcellulose flocculants and animal glue coagulants?on the condensation of silica were?compared.?The experimental results showed that methylcellulose has a strong ability to condense silicic acid in hydrochloric acid medium and even at room temperature, MC caused lots?of silicic acid?to?condense.?In addition,?the method has a lot of advantages?such as smaller amount of iron and aluminum oxide?mingled with the precipitation,?simple operation and short analysis time. |
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