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Solid-state transformation of the pseudopolymorphic forms of codeine phosphate hemihydrate and codeine phosphate sesquihydrate monitored by vibrational …

G Petrusevski, S Ugarkovic… - Journal of Molecular Structure, 2011 - Elsevier
The results from the first study on the pseudopolymorphism and solid-state transformations of
codeine phosphate hemihydrate and codeine phosphate sesquihydrate are presented. The vibrational
(infrared and Raman) spectra for both studied forms have revealed differences indicating ...
All 2 versions

Chemometric Detection of Acetaminophen in Pharmaceuticals by Infrared Spectroscopy Combined with Pattern Recognition Techniques: Comparison of Attenuated …

L Komsta, H Czarnik-Matusewicz… - Journal of AOAC …, 2011 - ingentaconnect.com
... Experimental Standards The pure substances acetaminophen, aspirin, caffeine, codeine
phosphate, dipyrone, ethoxybenzamide, ibuprofen, phenylephrine hydrochloride,
propyphenazone, pseudoephedrine hydrochloride, thiocol, and vitamin C ...
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Preparation and in vitro release of dual-drug resinate complexes containing codeine and chlorpheniramine

HX Zeng, M Wang, F Jia, SJ Lin… - Drug Development …, 2011 - informahealthcare.com
... Methods: A procedure of simultaneous dual-drug loading using combination solutions composed
of different proportions of codeine phosphate and chlorpheniramine maleate was performed
to achieve the specific resinate, and the dual-drug loading content was determined by ...
Related articles - All 3 versions

Determination of huperzine A in human plasma by hydrophilic interaction chromatography coupled to tandem mass spectrometry

JX Wei, JY Wu, SS Wei… - Anal. Methods, 2011 - xlink.rsc.org
... The huperzine A and codeine phosphate (internal standard) were separated on an Alltima HP
HILIC column using the mobile phase of acetonitrile–ammonium formate (5 mmol L −1 ; pH 3.0)
(13 : 87, v/v). The analyte was quantified using multiple reaction monitoring (MRM) in ...
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Concentration ratios of free-morphine to free-codeine in femoral blood in heroin-related poisoning deaths

AW Jones, A Holmgren - Legal Medicine, 2011 - Elsevier
... The prescription drug codeine is metabolized into morphine and the median concentration
of free-codeine in blood (C max ) was 0.183 mg/L (range 0.114–0.326 mg/L) after N = 9
subjects swallowed a tablet (100 mg) of codeine phosphate [11]. ...
Related articles - All 4 versions

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