U+1F745 Alchemical Symbol for Alum
U+1F745 wurde in Version 6.0 in 2010 zu Unicode hinzugefügt. Er gehört zum Block
Dieses Zeichen ist ein Other Symbol und wird allgemein verwendet, das heißt, in keiner speziellen Schrift.
Das Zeichen ist keine Zusammensetzung. Es hat keine zugewiesene Weite in ostasiatischen Texten. In bidirektionalem Text handelt es als Other Neutral. Bei einem Richtungswechsel wird es nicht gespiegelt. Das Wort, das U+1F745 mit ähnlichen Zeichen bildet, verbietet in sich Zeilenumbrüche.
Die Wikipedia hat die folgende Information zu diesem Codepunkt:
An alum () is a type of chemical compound, usually a hydrated double sulfate salt of aluminium with the general formula XAl(SO
4)
2·12 H
2O, such that X is a monovalent cation such as potassium or ammonium. By itself, "alum" often refers to potassium alum, with the formula KAl(SO
4)
2·12 H
2O. Other alums are named after the monovalent ion, such as sodium alum and ammonium alum.The name "alum" is also used, more generally, for salts with the same formula and structure, except that aluminium is replaced by another trivalent metal ion like chromiumIII, and/or sulfur is replaced by another chalcogen like selenium. The most common of these analogs is chrome alum KCr(SO
4)
2·12 H
2O.In most industries, the name "alum" (or "papermaker's alum") is used to refer to aluminium sulfate, Al
2 (SO
4)
3·n H
2O, which is used for most industrial flocculation: 766 (the variable n is an integer whose size depends on the amount of water absorbed into the alum). For medicine, the word "alum" may also refer to aluminium hydroxide gel used as a vaccine adjuvant.
Darstellungen
System | Darstellung |
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Nr. | 128837 |
UTF-8 | F0 9F 9D 85 |
UTF-16 | D8 3D DF 45 |
UTF-32 | 00 01 F7 45 |
URL-kodiert | %F0%9F%9D%85 |
HTML hex reference | 🝅 |
Falsches windows-1252-Mojibake | 🅠|
Anderswo
Vollständiger Eintrag
Eigenschaft | Wert |
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6.0 (2010) | |
ALCHEMICAL SYMBOL FOR ALUM | |
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