A new method for estimation of ethylene
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G. Rajagopal; S. Ramakrishnan
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Article
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1975
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Elsevier Science
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English
⚖ 238 KB
Ethylene glycol is oxidised to formaldehyde by periodate. The formaldehyde is quantitatively converted into a purple coloured compound by chromotropic acid. The colour is measured in a spectrophotometer at 550 nm using standard ethylene glycol in the range of l-10 pg. Chromotropic acid (4,5-dihydro