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The bath is a fundamental product in any laboratory. Over the years, water baths have evolved from basic analog tools to advanced digital machines capable of sophisticated and programmable controls, functions, and capabilities. Key features in water baths often include: Multi-language operation; User-settable limit values
Synthesis of 4-methylcyclohexene with work-up step in red. A concentrated solution of sodium chloride in water, known as a brine solution, is added to the mixture and the layers are allowed to separate. The brine is used to remove any acid or water from the organic layer.
At 60" (152.4 cm) above the floor, the water pattern should be 20" (50.8 cm) in diameter (Section 4.1.4). If shower enclosure is provided. It should provide 34" in diameter of unobstructed space (86.4 cm) (Section 4.3). Water temperature of safety shower station should be within 60 °F - 100 °F (16 °C - 38 °C).
Download as PDF; Printable version; In other projects ... move to sidebar hide. A water bath can refer to: A bain-marie or double boiler; A heated bath; A laboratory ...
A bain-marie on a stovetop. A bain-marie (English: / ˌ b æ n m ə ˈ r iː / BAN-mə-REE, French: [bɛ̃ maʁi]), also known as a water bath or double boiler, a type of heated bath, is a piece of equipment used in science, industry, and cooking to heat materials gently or to keep materials warm over a period of time.
The first step (called SC-1, where SC stands for Standard Clean) is performed with a solution of (ratios may vary) [2] 5 parts of deionized water; 1 part of ammonia water, (29% by weight of NH 3) 1 part of aqueous H 2 O 2 (hydrogen peroxide, 30%) at 75 or 80 °C [1] typically for 10 minutes. This base-peroxide mixture removes organic residues.
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Water: 0 Ice: Ammonium chloride-5 0.3 to 1 ratio of salt to ice. Liquid N 2: Aniline-6 Ice: Sodium thiosulfate pentahydrate-8 1.1 to 1 ratio of salt to ice. Ice: Calcium chloride hexahydrate-10 1 to 2.5 ratio of salt to ice. Liquid N 2: Ethylene glycol-10 Ice: Acetone-10 1 to 1 ratio of acetone to ice. Liquid N 2: Cycloheptane-12 Dry ice ...