Laboratory Compound

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This book brings together information the student is likely to need in the laboratory for characterization of organic compounds--their principal chemical reactions and their spectral properties. For the third edition of this popular laboratory student text the authors have included the theoretical basis of the chemical tests which are described and have also expanded the sections on spectroscopy. In particular the layout of the tables--both chemical and spectroscopic--has been improved. The melting point tables have been revised in the light of current availability of organic compounds. A basic knowledge of the theoretical principles of spectroscopy is assumed. Systematic names are used throughout though where the older trivial names are still in common use these are given in addition. The book also includes a section on the characterization of pharmaceutical compounds for students of pharmacy. Contents: Preface to First Edition; Preface to Second Edition, Preface to Third Edition; Safety in the Laboratory; Preliminary Tests, Chemical and Spectroscopic Characterization of Functional Groups; Chromatographic Methods; The Separation of Organic Mixtures; Preparation of Derivatives: Tables of Organic Compounds and their Derivatives; Pharmaceutical Compounds; Index.

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Presenting a broad spectrum of modern total synthesis of natural products, pharmaceuticals, heterocycles, C-C bonding and biochemical reactions, this practical textbook readily guides readers to the necessary information. A list of keywords in each chapter and numerous tables summarize the contents, resulting in an excellent overview.Written with graduates in organic chemistry in mind, this is equally valuable for students and lecturers in chemistry, organic chemists, as well as lab technicians and chemists in industry.

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"This book contains tables and charts of spectrum-structure correlations for all major spectroscopic techniques (C13-NMR, 1H-NMR, IR, MS, UV/VIS). It has been designed for those who are routinely faced with the task of interpreting this type of spectral information. ...I would highly recommend the book to anyone concerned with structure elucidation problems for use as a reference to complement more theoretical handbooks." (TRAC)

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Revita®, the most efficient hair growth stimulating shampoo available in the market is the final result of DS Laboratories efforts on cutting edge research. Revita® is a powerful and unique combination of active ingredients specially designed to maintain scalp vitality and act on follicle dysfunctions in order to achieve the best results in short periods of time.

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Features

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• 925 ML

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For demanding men and women whose hair does not shine as brightly as it should, feel as soft as it could, or radiate color the way they want, now DS Laboratories unveils its high-tech Nia Helio Hydrating Shampoo and Nia Helio Hydrating Conditioner. These super-premium cosmeceuticals — developed over 10 years of research, design, and testing — treat dull, split, colorless hair more aggressively and effectively than any other shampoo or conditioner. Because Nia products combine rare botanicals, extracted mechanically, not chemically, then vectored deep into the cortex of hair via next-generation nanosome encapsulation. Precious compounds deployed through Nia include hydrolyzed phyto-proteins and amphoteric amino acids to repair damage and improve fiber strength, plus polyphenolic extracts that shield hair against ultraviolet radiation and neutralize oxidative radicals, hygroscopic sericin to moisturize the cortex and seal the cuticle, cationic phospholipids to boost the electrostatic affinity of molecules for hair, botanical extracts to repel environmental odors and inhibit photo-degradation, and several agents with antimicrobial properties and immunomodulatory effects. For regular users of Nia, such advanced cosmetic science means the highest gloss, silkiest texture, and most radiant color possible today. It means your hair rinses and dries faster, tangles and splits less, styles easier, smells fresher, and stays free of residue. It also means fewer color treatments — if any. Take advantage of this amazing breakthrough, and raise your image to a level never before attainable. Try high-performance Nia Helio Hydrating Shampoo and Nia Helio Hydrating Conditioner.

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Get ready for flawless skin. Viterol.A is the first anti-aging aid that contains viatrozene, a new compound that visibly reduces wrinkles and expression lines and significantly improves the over-all skin health. The greatest benefit of Viterol.A is that it is a continuous and safe treatment, the effect of which does not wear off. Bill Lawler, M.D., a cosmetic surgeon with a 26-year history in aesthetics, witnessed the evolution of nearly all skin care products. “Viterol.A does something completely different then other creams. While Botox is still the treatment of choice for deep furrows and certain types of wrinkles, Viterol.A is the most effective topical treatment for fine lines that I have encountered in my practice. There is also a clearly visible improvement in skin smoothness and firmness,” he said. We promise, but how do you really know? You have already seen hundreds of claims from a plethora of skin care manufacturers who pedal seemingly miraculous cures in all types of creams, lotions, and serums and yet more likely then not you were disappointed with the results. So why should you trust our claims about Viterol.A? First, Viterol.A is clinically proven as a successful treatment for the signs of aging. Second, DS Laboratories (the manufacturer of Viterol.A) is so confident that you will see an improvement in the condition of your skin, that you can return the unused portion of Viterol.A for a full refund!

Features

• Visibly lifts, firms, and brightens the skin
• Reduces the appearance of wrinkles
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• Preferred by users over StriVecting-SD
• Exceptional value

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Item #: 2136-50BX. Sweep-Blend-Oilbase-50#Green. A high density sweeping compound for coarse wood and cement floors. Holds and controls dust and debris. Fragrance:Wintergreen. Color Green. Customers also search for: Oil Sweep - floor cleaner Cleaning Agents Floor Care

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• Sold Individually

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Item #: 3136-100BX. Sweep-Blend-Oilbase-100#Green. A high density sweeping compound for coarse wood and cement floors. Holds and controls dust and debris. Fragrance:Wintergreen. Color Green. Customers also search for: Oil Sweep - floor cleaner Cleaning Agents Floor Care

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• Sold Individually

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Item #: 2130-50BX. Sweep-Blend-Waxbase-50#Green. A medium density sweeping compound fortified with wax. Recommended for use on all types of fine finished floors. Customers also search for: Wax O Sweep 50 Lb. Box - floor cleaner Cleaning Agents Floor Care

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List Price: $449.96
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This professional binocular microscope is designed for teaching demonstration, clinical examination and research purpose. It comes with a 30° inclined 360° swiveling compensation free binocular head, 3D mechanical stage and an intensity-variable halogen illumination system. This microscope offers eight levels of magnification, 40X, 80X, 100X, 200X, 400X, 800X, 1000X & 2000X. This microscope is versatile, ready for various accessories and attachments for extra features. It is made by the same technicians and on the same production line that makes optical instruments for Leica, Zeiss, Nikon and Olympus. It is brand new in factory sealed box. Its retail value is $1,500.

Features

• Professional Eight Magnification Settings from 40X to 2000X
• High Quality Optical Lenses and Abbe Condenser with Iris Diaphragm
• Sturdy Metal Framework, Double Layer Mechanical Stage and Tension Adjustable Coaxial Coarse & Fine Focus
• Variable Intensity Halogen Illumination
• 5-Year Warranty against Manuafcturing Defects