In an article, published in an article, once mentioned the application of 33100-27-5, Name is 1,4,7,10,13-Pentaoxacyclopentadecane,molecular formula is C10H20O5, is a conventional compound. this article was the specific content is as follows.Product Details of 33100-27-5
A gas chromatography-mass spectrometric method was developed in this study in order to determine fluoride in plasma and urine after derivatization with 2-(bromomethyl)naphthalene. 2-Fluoronaphthalene was chosen as the internal standard. The derivatization of fluoride was performed in the biological sample and the best reaction conditions (10.0mgmL-1 of 2-(bromomethyl)naphthalene, 1.0mgmL-1 of 15-crown-5-ether as a phase transfer catalyst, pH of 7.0, reaction temperature of 70C, and heating time of 70min) were established. The organic derivative was extracted with dichloromethane and then measured by a gas chromatography-mass spectrometry. Under the established condition, the detection limits were 11mugL-1 and 7mugL-1 by using 0.2mL of plasma or urine, respectively. The accuracy was in a range of 100.8-107.6%, and the precision of the assay was less than 4.3% in plasma or urine. Fluoride was detected in a concentration range of 0.12-0.53mgL-1 in six urine samples after intake of natural mineral water containing 0.7mgL-1 of fluoride.
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