Experimental design aids the development of a differential scanning calorimetry standard test procedure for pharmaceuticals

Roy, Shouvik; Riga, Alan T.; Alexander, Kenneth S.

doi:10.1016/s0040-6031(02)00317-9

Cited by 20 publications

(8 citation statements)

References 5 publications

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“…This vapor increases the pressure inside the pan and elevates the oxidation temperature. Contradictory results were reported for the melting temperature of benzoic acid and vanillin obtained in an open pan and a sealed pan with a pinhole [22]. No significant differences were observed in the onset temperature (Ton) and the peak maximum temperature (Tp).…”

Section: Important Considerations For Measurement Of Lipid Oxidation mentioning

confidence: 91%

Oxidative Stability of Fats and Oils Measured by Differential Scanning Calorimetry for Food and Industrial Applications

Saldaña¹,

Martínez‐Monteagudo²

2013

Applications of Calorimetry in a Wide Context - Differential Scanning Calorimetry, Isothermal Titration Calorimetry and Microca

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Section: Important Considerations For Measurement Of Lipid Oxidation mentioning

confidence: 91%

Oxidative Stability of Fats and Oils Measured by Differential Scanning Calorimetry for Food and Industrial Applications

Saldaña¹,

Martínez‐Monteagudo²

2013

Applications of Calorimetry in a Wide Context - Differential Scanning Calorimetry, Isothermal Titration Calorimetry and Microca

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“…The difference between the onset values of the first oxidation obtained for the two sets of analytical parameters reflects the thermal lag that occurs by changing heat rates (43). As an example, other authors report an onset value of 90°C for linolenic acid at a rate of 5°C/min and a value of 130°C at a rate of 40°C/min (23).…”

Section: Resultsmentioning

confidence: 99%

Evaluation of the Self‐Heating Tendency of Vegetable Oils by Differential Scanning Calorimetry

Baylon

Stauffer

Delémont

2008

Journal of Forensic Sciences

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The evaluation of the self-heating propensity of a vegetable (or animal) oil may be of significant importance during the investigation of a fire. Unfortunately, iodine value and gas chromatographic-mass spectrometric analysis do not lead to meaningful results in this regard. To the contrary, differential scanning calorimetry (DSC), which does not measure the chemical composition of the oil, but rather its thermodynamic behavior, produces valuable results. After a thorough literature review on the autooxidation of vegetable oils, several oils with different self-heating tendencies were analyzed using a Mettler-Toledo differential scanning calorimeter DSC 25 between 40 degrees C and 500 degrees C. Analyses were carried out both under air and nitrogen atmosphere to identify the phenomena due to autooxidation reactions. Using DSC, it was possible to observe the induction period of the oil (when available), the three different exothermic events, and the autoignition temperature (relatively independent of the oil type).

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“…Samples of oil, of between 5-7 mg, were weighed into low pressure aluminium crucibles, and sealed hermetically. The sealed crucibles were pierced prior to analysis [10]. An empty, hermetically sealed aluminium crucible with a pinhole was used as a reference.…”

Section: Characterisation Of H Crepitans Oilmentioning

confidence: 99%

Fatliquoring potentials of sulphonated Hura crepitans L seed oil

Nkwor¹,

Ukoha²,

Flowers³

et al. 2019

LFJ

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FATLIQUORING POTENTIALS OF SULPHONATED Hura crepitans L. SEED OIL ABSTRACT. Fatliquors are oil-in-water emulsions required in leather processing for the purpose of leather lubrication. They ensure that the collagenic fibres do not stick together on drying and as a consequence make the leather flexible. In this work sulphonated oil with negligible inorganic salt content has been synthesised from Hura crepitans L. seed oil. Both the unsulphonated and sulphonated oils were characterized by DSC, FT-IR, 1 H NMR, 13 C NMR, and 13 C NMR DEPT. The sulphonated oil and its blend with 7.5 % raw castor oil were applied onto light leather and compared with commercial fatliquor in the processing of shoe upper leather. The characteristics of the processed trial leathers were comparable with similar leathers made with commercially available fatliquors. This work raises the possibility of increasing the range of commercially viable, sustainable fatliquors in the leather industry.

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Experimental design aids the development of a differential scanning calorimetry standard test procedure for pharmaceuticals

Cited by 20 publications

References 5 publications

Oxidative Stability of Fats and Oils Measured by Differential Scanning Calorimetry for Food and Industrial Applications

Oxidative Stability of Fats and Oils Measured by Differential Scanning Calorimetry for Food and Industrial Applications

Evaluation of the Self‐Heating Tendency of Vegetable Oils by Differential Scanning Calorimetry

Fatliquoring potentials of sulphonated Hura crepitans L seed oil

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