Isopropyl alcohol composition comprising isopropyl alcohol and an impurity, dissolved oxygen concentration is 0.1% or less with oxygen saturation solubility at 25 掳 C., and concentration of organic acid as an impurity is 20 ppb or less in mass reference Provide a Luke composition.It also provides...
Wine of the chemical element is ethanol, which contains a small amount of isopropyl alcohol and methyl alcohol consumption categories of substances, and the concentration in 60 degrees (or 60 per cent) of the following alcohol distillation refining it is to more than 75 per cent for medical alc...
whole composition of a hydrophilic spice having 9-23.4 solubility parameter, especially natural fruit juice recovered flavor soluble in a mixed solvent of water, ethanol and/or isopropyl alcohol in a weight ratio of 65:35-100:0, to suppress well the bitterness of the germicide and the ...
A non-toxic mucosal disinfectant for topical application in the nose, skin, mouth and hard surfaces comprising a composition of 99.0% isopropyl alcohol of at least 24.0% by weight; sesame oil not exceeding 73.0% by weight and lemon oil of less than 3.0% by weight and menthol less than 1.0...
The resulting upper aqueous phase was transferred into fresh tubes, to which 0.5–1 mL of isopropyl alcohol was added, followed by gentle mixing by shaking. Subsequent to incubation for 10 min at room temperature and centri- fugation at 10,000×g for 10 min at 4°C, the supernatant was ...
The PMMA was removed by acetone and washed away using isopropyl alcohol. Characterization of MoS2 and Mo1 À xWxS2. OM (Olympus DX51), Raman spectroscopy (HORIBA, Lab Ram ARAMIS; 532-nm laser excitation wavelength), AFM (VEECO, Multimode), PL (SPEX1403, SPEX; 532-nm laser excitation ...
For each phase separation, 0.2 ml of chloroform was added and the aqueous phase was collected in fresh tubes and mixed with 0.5 ml of isopropyl alcohol to pellet the RNA. RNA pellets were washed with 75% ethanol and digested with DNase for 30 min to remove DNA contamination, ...
composition composed of a stock liquid and a propellant each having specific compound and composition, and having improved dispersibility of a water-soluble component and a water-insoluble component, quick-drying property and bubble-bursting sound, etc., by using ethanol and/or isopropyl alcohol. CON...
Analgesic activity of novel GABA esters with l-menthol (1), thymol (2), carvacrol (3) and guaiacol (4) was investigated by pharmacological models of therma... M Nesterkina,I Kravchenko - 《Natural Product Communications》 被引量: 4发表: 2016年 Analgesic Activity of Novel GABA Esters after...
4. Process according to claim 1, characterized in that at the end of the reaction the reaction mass is taken up in a solvent, the salt formed is filtered off and the solvent is removed by distillation. 5. Process according to claim 4, characterized in that a lower C1-C4alcohol or a ...