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Results for “SALICYLIC ACID”

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PubMed1984

Stabilized normal-phase high-performance liquid chromatographic analysis of aspirin and salicylic acid in solid pharmaceutical dosage forms.

A simultaneous analysis of aspirin and nonaspirin salicylates in solid pharmaceutical dosage forms is described. Two separate extraction procedures are employed, one for plain aspirin tablets and one for tablets containing aspirin plus buffers or antacids. The analyses of the extracted samples are accomplished by a stabilized normal-phase high-performance liquid chromatographic (HPLC) procedure. Prepared samples and standards are stable for up to 24 h, and the methodology is suitable for an automated HPLC system.

Antacids↗
PubMed1978

Analysis for salicylic acid in serum by high-performance liquid chromatography.

We report a specific and sensitive quantitative assay for salicylate in serum or plasma. As little as 3 microliter of sample can be analyzed by an external standard procedure and larger volumes by diluting with the internal standard (o-methoxybenzoic acid). No extraction or derivatization is necessary and salicylic acid and the internal standard elute in 6 and 3.75 min, respectively. Peak-height ratios are linearly related to concentrations between 10 and 500 mg/liter. By comparison with an existing fluorometric method, our procedure is faster, more specific, and more sensitive.

Aspirin↗