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Estimation of Calcium in Biological Material


Book ID
109626451
Publisher
Nature Publishing Group
Year
1963
Tongue
English
Weight
142 KB
Volume
197
Category
Article
ISSN
0028-0836

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A new method for estimation of ethylene
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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