Carrier oil

Additive packages have been developed which do an exceUent job of preventing IVD. The key to effective operation is to keep the valve wet so that the additive can prevent deposit buildup. Most packages include a combination of detergent/dispersant and a carrier oil or heavy solvent. If no carrier oil is present, then the fuel may evaporate off the valve too rapidly for the package to be effective. When the valves do not rotate, the portion of the valve which has the highest deposit level is the back side which is not constantly wet. 

These are the components of the formulation that do all or most of the actual foam control work. Traditionally, defoamers were single component Hquids or homogeneous solutions of vegetable or mineral oils, but more recendy a number of active hydrophobic soHds have been utilized so effectively that in a dispersion of hydrophobic soHds in a traditional oil such as castor oil [8001-79-4] the oil could be classed as a carrier oil rather than an active ingredient. 

Defoamer formulations currently contain numerous ingredients to meet the diverse requirements for which they are formulated. Various classification approaches are possible, including classification by application, physical form of the defoamer, and the chemical type of the defoamer. In general, defoamers contain a variety of active ingredients, both in solid and in liquid states, and a number of ancillary agents such as emulsifiers, spreading agents, thickeners, preservatives, carrier oils, compatibilizers, solvents, and water. 

Source U.S. EPA, Estimating Potential for Occurrence of DNAPL at Superfund Sites, EPA Publication 9355.4-07FS, U.S. EPA, Washington, January 1992. Many of these chemicals are found mixed with other chemicals or carrier oils. 

Dry solids with low percentages of water, indigenous oil, or carrier oil Water with very low percentages of solids, indigenous oil, or carrier oil Soluble compounds... 

As carriers, oils enter the picture where low-volume airplane applications are made. The cheap oils are used in higher volumes in grass killers. Possibly new materials will displace the present wasteful high-volume spraying of grasses. 

Almond Prunus amygdalus var. dulcis, or var. amara (Rosaceae) seed 40-55 oleic (62-86), linoleic (7-30), palmitic (4-9), stearic (1-2) emollient base, toiletries, carrier oil (aromatherapy)... 

Soya (soybean) Glycine max (Leguminosae/ Fabaceae) seed 18-20 linoleic (44-62%), oleic (19-30), palmitic (7-14), a-linolenic (4-11), stearic (1-5) food oil, dietary supplement, carrier oil (aromatherapy) Soya oil contains substantial amounts of the sterols sitosterol and stigmasterol (see page 256)... 

Compounds containing the pyrrole nucleus exhibited a marked net non-reactivity. This result parallels the significantly reduced reactivity of carbazole in complex mixtures (46). It is thus important to note that carbazole exhibits appreciable reactivity in a carrier oil at 367°C and 136 atm using a presulfided Ni-Mo/A O catalyst (19). It may also be significant to... 

The basic current energy carriers (oil, gas, coal, uranium) unfortunately possess two insuperable disadvantages they are non-renewable and it is almost impossible to make them ecologically clean. 

The compounds found in essential oils and their carrier oils are all covalently bonded and their properties reflect this. 

The fixed oils that the aromatherapist uses as carrier oils are often added to concentrated essential oils. Some retail outlets sell essential oils in dilutions as low as 1 o/o in a carrier oil. Many people think they are buying the concentrated oil only with careful examination of the small print on the label does the dilution of the composition become apparent. 

Using this definition all essential and carrier oils are organic. 

When using essential oils on the skin in a massage, the essential oils are diluted in a carrier oil. There are very few exceptions to this. Carrier oils are vegetable oils, also called fixed vegetable oils, in which the essential oils dissolve easily and efficiently. The carrier oils enhance the absorption of the essential oils through the skin and provide lubrication to allow the therapist s hand to move smoothly over the client s skin. In addition, some carrier oils have beneficial and therapeutic properties of their own. 

Pure carrier oils or fixed vegetable oils should always be used for aromatherapy massage. Baby oils, which are mineral oils, are not suitable they act as skin protectors and moisturizers, holding water in the skin. This makes it more difficult for the essential oil to enter the body by this route. 

Sweet almond does not produce essential oil but the fixed carrier oil is extracted during processing the kernels. 

This is a fairly heavy oil, high in the antioxidant vitamin E, making it suitable for use with other carrier oils, where it extends their keeping properties. It is useful for dry and mature skins and suitable for some types of dermatitis, and helpful for repairing sun-damaged skin. It contains a mixture of unsaturated and saturated fatty acids linoleic (54%), oleic (19%), palmitic (16%), linolenic (7%), ecisadenoic (1.5%) and stearic (1%). 

The concentration of the oil. Many pre-blended oils are 5% in a carrier oil, and that carrier oil should also be named. 

A typical bl ]ij for a massage would be 7 drops of essential oil in 20 ml of carrier oil. This woujil be a 1.75% dilution, calculated by 0.35ml (amount of essential oil in 7 drops) divided by the amount of carrier (20ml) and multiplied by 100 ... 

Price L, Smith I, Price S 2006 Carrier oils for aromatherapy and massage. Riverhead, Stratford-upon-Avon... 

Carrier oil Also called Fixed Oil, in which the essential oil is diluted, always coming from vegetable origins, e.g. sweet almond, grapeseed, jojoba. Unlike the essential oil they do not evaporate readily at room temperature. 

Dilution Making something less concentrated a solution is said to be dilute when it contains a small proportion of the dissolved solute. Essential oils are diluted in carrier oils. 

Agrochemical formulations Biodegradable carrier oil for green inks Coalescent for decorative paint systems Agrochemical/pesticide formulations... 

Here we use the term "multiple drop" to describe the oil droplets in w/o/w emulsions containing dispersed aqueous droplets, "primary" surfactant the stabilizer for the w/o emulsion and "secondary" surfactant to denote the more hydrophilic surfactant used to stabilize the o/w component. The "internal" phase is the dispersed aqueous phase, the "external" phase is the continuous aqueous phase and the "middle" phase the carrier oil droplets. 

A related reactor is that for coal liquefaction, which can be carried out in a three-phase slurry bubble column (see Fig. 5). Hydrogen can be supplied at the bottom of a column of downcoming product—oil. The solid coal reactant is blended with the product or carrier oil and fed at the top. The generic process depicted in Fig. 5 is a generalization of the liquefaction reactor in the Exxon Donor Solvent Process. As the gas flow rate increases, the bubbles change from uniformly small to chaotic. In the H-coal process, both the gas and a coal-oil slurry are fed from the bottom in an ebullating-bed reactor. Catalyst solids are fed from the top. This reactor operates as an expanded... 

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