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English: License source: file COPYING in svn. Licensing This work is free software ; you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation ; either version 3 of the License, or any later version.
A PDF file is organized using ASCII characters, except for certain elements that may have binary content. The file starts with a header containing a magic number (as a readable string) and the version of the format, for example %PDF-1.7. The format is a subset of a COS ("Carousel" Object Structure) format. [24]
The name calomel is thought to come from the Greek καλός "beautiful", and μέλας "black"; or καλός and μέλι "honey" from its sweet taste. [4] The "black" name (somewhat surprising for a white compound) is probably due to its characteristic disproportionation reaction with ammonia, which gives a spectacular black coloration due to the finely dispersed metallic mercury formed.
A chloride ion is a structural component of some proteins; for example, it is present in the amylase enzyme. For these roles, chloride is one of the essential dietary mineral (listed by its element name chlorine). Serum chloride levels are mainly regulated by the kidneys through a variety of transporters that are present along the nephron. [19]
The United States Environmental Protection Agency has set a maximum level of 0.8 mg/L for chlorine dioxide in drinking water. [49] The Occupational Safety and Health Administration (OSHA), an agency of the United States Department of Labor , has set an 8-hour permissible exposure limit of 0.1 ppm in air (0.3 mg / m 3 ) for people working with ...
Dichlorine heptoxide, Cl 2 O 7. Chlorine and oxygen can bond in a number of ways: . chlorine monoxide radical, ClO•, chlorine (II) oxide radical; chloroperoxyl radical, ClOO•, chlorine (II) peroxide radical
CL2 may refer to: . Chlorine gas, Cl 2; the Clausen function of order 2, Cl 2; the Clifford algebra on , (); CAS latency 2, a rating of computer memory; Google Calendar, a time-management web application (from a URL fragment used in early versions)
Faucet dripping water. Structure of the water molecule (H 2 O) The following outline is provided as an overview of and topical guide to water: Water – chemical substance with the chemical formula H 2 O. A water molecule contains one oxygen and two hydrogen atoms connected by covalent bonds.