By Gary S. Coyne
Compliment for The Laboratory instruction manual by way of Gary S. Coyne& ''This is among the Most worthy quantity i've got encountered for a few years and may be made obligatory examining for all these eager about learn, really new study students.'' - Chromatographia ''The ebook can be precious for readers wanting to appreciate the speculation and correct utilizing, cleansing, and storing tools of laboratory apparatus. questions of safety are completely lined. The publication is an invaluable 'how-to-use' reference for college students, rookies, and skilled laboratory personnel.'' -JACS An up to date model of the seriously acclaimed Laboratory guide, this consultant to laboratory fabrics, apparatus, and methods is a vital source for college students in addition to veteran scientists and lab technicians. From vacuum expertise and glass vacuum platforms to volumetric glassware, gas-oxygen torches, and cryogenic tanks, The Laboratory better half offers entire insurance of all customary lab apparatus, together with crucial information regarding its choice, use, cleansing, and upkeep. It essentially explains the ancient improvement and intent at the back of how and why issues are performed within the lab, and contains useful guidance and step by step techniques for every subject mentioned. seeing that glassware is usually the main familiar kind of lab apparatus, a lot of the booklet is dedicated to the houses and dealing with of glass equipment, with extra fabric on rubber and plastic tubing, corks, stoppers, and O-rings. Readers also will locate extensive insurance of dimension structures, excessive- and low-temperature equipment and methods, compressed gases, vacuum platforms, and different crucial matters
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Additional resources for The Laboratory Companion: A Practical Guide to Materials, Equipment, and Technique
Glass can be broken at a specified location by creating a flaw where the break is desired and then applying stress (tension) to that flaw. However, an improperly made flaw can easily result in a flaw of undesirable quality. For example, an inexperienced flat glass cutter will take a wheeled glass knife, aggressively bear down on the glass, and push the cutter back and forth several times. While a single scratch could have broken cleanly and easily, the repeated scratches create a heavy, round bottom groove with many side fissures.
However, careless placement of boiling chips in a container can severely reduce the life span of the container. Never dump boiling chips into an empty glass container. Boiling chips have sharp edges that can scratch glass. By placing your liquid solution into the container before introducing boiling chips, you prevent the boiling chips from a free fall landing on the bottom of the glass. , flaws) that boiling chips could otherwise inflict on the surface of the glass. Liquid will not provide adequate lubrication or protection against the scraping of a glass rod across the bottom of a glass container.
These borosilicate glasses are more chemically inert than common laboratory borosilicate glass. Their different composition makes them unable to be fused directly to common laboratory borosilicate glass; therefore, they require use of what is called grading glass (see Sec. 6) between this glass and other borosilicate glasses. One special category of hard glasses is the aluminosilicate glasses. They are made by the addition of alumina (aluminum oxide) to the glass mix. Aluminosilicate glasses are used in high temperature lamps because they maintain higher viscosities at higher temperatures.