Topic
Methyl isobutyl ketone
About: Methyl isobutyl ketone is a research topic. Over the lifetime, 2071 publications have been published within this topic receiving 26976 citations. The topic is also known as: Hexone & Isobutyl methyl ketone.
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TL;DR: In this paper, a dual-fixed adsorption system involving a two-step cycle was evaluated for dampening load fluctuation of a mixture of volatile organic compounds (VOCs).
30 citations
TL;DR: A flow injection technique with an organic solvent carrier stream is recommended for the determination of trace elements by atomic absorption spectrometry Carrier streams of methyl isobutyl ketone and especially n-butyl acetate are effective in enhancing sensitivity as discussed by the authors.
30 citations
TL;DR: The method was found to be suitable for studying the pharmacokinetics and biodistribution of Gd in rats and memory effects, being a common problem in the GFAAS determination of lanthanoids, were no longer observed after insertion of the boat.
Abstract: A method was developed for the determination of gadolinium (Gd) in biological material using graphite furnace atomic absorption spectrometry (GFAAS). The element is first extracted into methyl isobutyl ketone and then reextracted into hydrochloric acid. Factors influencing the recovery of extraction such as pH, choice of chelating agents, and hydrochloric acid concentration have been investigated. The element is determined under STPF (stabilized temperature platform furnace) conditions with atomization from a tantalum boat. Under optimized furnace conditions, the use of the tantalum boat improved sensitivity substantially compared to the use of pyrolytically coated graphite tubes. Around 150 measurements could be performed with 1 boat. Memory effects, being a common problem in the GFAAS determination of lanthanoids, were no longer observed after insertion of the boat. The characteristic mass and detection limit (2SD; SD = standard deviation) of the Gd determination are 1000 and 2060 pg, respectively. The precision evaluated as the relative standard deviation (RSD) of six analyses was below 10% for tissue Gd concentrations ranging from 0.92 to 72.0 micrograms g-1. The recovery of added analyte ranged between 92.0% and 99.3%. The method was found to be suitable for studying the pharmacokinetics and biodistribution of Gd in rats.
30 citations
TL;DR: The use of diphenylthiourea in conjunction with potassium iodide or tin(II) chloride provides a systematic scheme for the extraction of platinum, palladium, rhodium, iridium, and gold in hydrochloric acid solution as mentioned in this paper.
30 citations
TL;DR: The Perturbed Chain Statistical Association Fluid Theory (PC-SAFT) has been used to correlate the volumetric behavior of binary mixtures of methyl isobutyl ketone with polar solvents.
30 citations