Volatile ingredients

The required soHds are suspended in a wax—emoUient blend at about 60 to 80°C and milled. The Hquid suspension is then cooled to about 55°C, and the more volatile ingredients are added. The mass is placed into containers, which are commonly provided with a threaded shaft for raising or lowering the product. 

No chlorides, volatile ingredients, heavy metals, phenols... 

For the preparation of creams, heat the aqueous phase containing all of the water soluble ingredients to about 70°C, and add this phase to the oil phase which has been similarly heated to 70°C. Mix the two liquids at high temperatures for a few minutes, and cool while stirring. If some volatile ingredients or perfumes are to be added, wait until the cream has cooled to at least 37°C. 

Products containing volatile ingredients, such as solvents, cause a general decline in indoor air quality when used inside the home. Volatile solvents often found in household products include those shown in Table 18.2. The last column shows permissible air concentrations of these solvents in occupational settings. The higher the number is, the less toxic the material. 

The heat from the reaction between an oxidizer and fuel can vaporize a volatile ingredient, with no chemical change occurring... 

Using the same approach, we can combine all other important volatile ingredients of a strawberry to form specific bases. All fruity esters like ethyl butyrate, ethyl caproate or ethyl isobutyrate can be combined to a fruity base , and all caramel-like ingredients to a caramel base , and so on. Finally, all major flavour characters of a strawberry can be obtained by appropriate combination of only a few bases. 

Non-volatile ingredients play an important role in the overall flavour character of fruits and other foodstuffs. Many non-volatiles have a strong effect on the sensorial properties such as mouthfeel, creaminess and juiciness. Experienced flavourists know how to combine both the volatile and the non-volatile worlds of raw materials for delicious flavours. 

Volatile ingredient naphtha water acatone water water ... 

Table 15.1 Volatile ingredients of household and consumer products. See original references for analytical details.

Polishes are used for cleaning, conservation or aesthetic reasons. In most cases, they are applied on large surfaces such as wood, ceramic, marble, linoleum or furniture. Therfore,high emissions of volatile ingredients of polishes from such... 

Figure 15.2 Volatile ingredients of different household products. A paint remover, B furniture polish, C shoe polish. (1) aliphatic hydrocarbons (C9-C32) (2) cycloalkanes ...

Lack of consideration of dust as an important carrier in the assessment of a non-volatile ingredient of a home insecticide... 

When removed from refrigerated storage, the adhesive must be brought to its application temperature, usually room temperature. The containers should remain closed until they are at temperature. A material is most vulnerable to moisture collection when it is removed from cold storage and the package or container is not properly sealed. Moisture condenses on the adhesive and quickly reduces its capabilities. Containers that are not completely used when originally opened, should be sealed immediately after use to prevent loss of volatile ingredients or contamination from moisture in the air. Equipment used to remove the contents from the containers, such as spatulas, flasks, and cups, should be cleaned between each use. 

Top notes The most volatile ingredients of an essential oil or perfume. The first smells perceived by the olfactory apparatus. 

The mechanically dressed ore is first roasted in order to remove sulphur, arsenic, and other volatile ingredients, and then heated in a reverberatory furnace with sodium carbonate or sodium sulphate. The product is extracted with %varm dilute sulphuric acid, whereupon the uranium passes into solution, whilst the radium remains in the residue witlr calcium, barium, and lead. Tliis residue, which is the starting material for tlie extraction of radium, also contains silica and small quantities of copper, bismutli, arsenic, antimony, iron, aluminium, manganese, zinc, nickel, cobalt, thallium, vanadium, columbium, tantalum, and rare earths. 

Total impermeability to loss of essential volatile ingredients by diffusion through the container walls. 

Packaging materials must protect the dmg without altering in any way the composition of the product. One problem is that of adsorption of constituents, for example, preservatives, from the drug product (see section 6.2.8). The permeability of the packing material to gases or liquids should also be considered, since this may result in deterioration of the product due to oxidation, hydrolysis or loss of volatile ingredients. Monolayers are useful models by which the properties of... 

Barafene [BASF]. TM for coatings used to prevent permeation of volatile ingredients, oils, and oxygen through polyolefin containers. 

Aeiheroleum—essential oil, obtained from plant material by watersteam distillation, with a pronounced smell and consisting of a complex mixture of volatile ingredients. 

The volatile component is usually selected from true non-solvents for PVC resins such as the aliphatic hydrocarbons. The main purpose of the volatile ingredient is to lower the viscosity of the paste by contributing more liquid to the formulation. Very low plasticizer levels are then possible and higher durometer hardness values are attainable (as compared with plastisols). 

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