… wood covered by this heading has been chemically or physically treated to increase its density or hardness and … may be done by transverse compression by means of powerful hydraulic presses or between rollers, or by compression in …
… litharge, massicot) (PbO). Lead or cerussite (lead hydrocarbonate) oxidised by heating in air produces first … refractive index. (3) Lead dioxide (puce oxide, plumbic anhydride) (PbO 2 ). Prepared by treating the lead saline …
… elimination and lip enhancement (including those containing hyaluronic acid); anti-acne preparations ( other than soaps … to be regarded as having a primary therapeutic or prophylactic effect against acne; toilet vinegars which are …
… metasilicate, polysilicate, etc.), and their degree of hydration and their solubility vary with the method of … Ores such as copper silicates (chrysocolla, dioptase), zinc hydrosilicate (hemimorphite), and zirconium silicate …
… These articles include wadding impregnated with iodine or methyl salicylate, etc., various prepared dressings, prepared … a methacrylic plastic) in a volatile organic solvent (e.g., ethyl acetate) and a propellant, whether or not with added …
… mixtures based on nitrates of glycerol (nitroglycerol) and ethylene glycol (nitroglycol). These products are commonly … TNT (2,4,6-trinitrotoluene), hexogen, octogene, tetryl (N-methyl-N,2,4,6-tetranitroaniline), pentrite (pentaerythritol …
… degreasing of textiles. (2) Fuller’s earth , a natural earthy material with high absorptive power, composed chiefly … , kyanite (or disthene) and sillimanite , natural anhydrous aluminium silicates used as refractories. (4) …
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