Specificity of Spectrophotometric Determination of Ephedrine and Other Phenalkanolamine Drugs as Benzaldehydes after Periodate Oxidation

Chafetz, Lester

doi:10.1002/jps.2600600230

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T Coutts1

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1974

1981

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Cited by 19 publications

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“…Samples were collected throughout the dissolution study at various time intervals and assayed. Phenylpropanolamine hydrochloride was analyzed using the periodate oxidation procedure and read spectrophotometrically as benzaldehyde in heptane (8).…”

mentioning

confidence: 99%

Release of a Water-Soluble Drug from a Wax Matrix Timed-Release Tablet

Goodhart¹,

McCoy²,

Ninger³

1974

Journal of Pharmaceutical Sciences

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mentioning

confidence: 99%

Release of a Water-Soluble Drug from a Wax Matrix Timed-Release Tablet

Goodhart¹,

McCoy²,

Ninger³

1974

Journal of Pharmaceutical Sciences

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“…Among the techniques employed in the past is a large group of colorimetric estimations involving complexation with ferric ion (1)(2)(3)(4)(5)(6)(7)(8)(9). Other colorimetric assays involve diazotization with p -nitroaniline and nitrous acid (lo), use of Folin and Ciocalteu phenol reagent ( l l ) , complexation with cupric ion in nitrous acid (13-15), or estimation as the nitro derivative (16).…”

Section: T Couttsmentioning

confidence: 99%