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This article is about the type of building material and "plaster of Paris". For other uses, see Plaster (disambiguation). Early 19th Century plasterer at work - painting by John Cranch (1751–1821) Elaborate stucco (plaster) reliefs decorating the Chateau de Fontainebleau were hugely influential in Northern Mannerism. There is a plaster low-relief decorative frieze above. Clay plastered ceiling defying gravity with the help of straw and manure. Economy Landmark, 1827 Modern tools for plastering Plaster is a building material used for the protective or decorative coating of walls and ceilings and for moulding and casting decorative elements. [1] In English "plaster" usually means a material used for the interiors of buildings, while "render" commonly refers to external applications. [2] Another imprecise term used for the material is stucco, which is also often used for plasterwork that is worked in some way to produce relief decorat

同花順 可能指： 同花順（Straight Flush），一种撲克牌型，由五隻同一花色而且次序連續的牌組成。 同花顺 (轰炸机) （ 英语 ： Straight Flush ） （Straight Flush），二战时期美国陆军航空队的一架B-29轰炸机的名字，曾装载“小男孩”原子弹投掷于广岛。 同花顺 (软件)，中国大陆的一款炒股软件。 这是一个消歧义页，羅列了有相同或相近的标题，但內容不同的条目。 如果您是通过某條目的内部链接而转到本页，希望您能協助修正该處的内部链接，將它指向正确的条目。 This page is only for reference, If you need detailed information, please check here

Ammonium sulphate Names IUPAC name Ammonium tetraoxosulfate (VI) [ citation needed ] Other names Ammonium sulfate Ammonium sulfate (2:1) Diammonium sulfate Sulfuric acid diammonium salt Mascagnite Actamaster Dolamin Identifiers CAS Number 7783-20-2   Y 3D model (JSmol) Interactive image ChemSpider 22944   Y ECHA InfoCard 100.029.076 EC Number 231-984-1 E number E517 (acidity regulators, ...) KEGG D08853   Y PubChem CID 6097028 UNII SU46BAM238   Y InChI InChI=1S/2H3N.H2O4S/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)   Y Key: BFNBIHQBYMNNAN-UHFFFAOYSA-N   Y InChI=1/2H3N.H2O4S/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4) Key: BFNBIHQBYMNNAN-UHFFFAOYAI SMILES O=S(=O)(O)O.N.N Properties Chemical formula (NH 4 ) 2 SO 4 Molar mass 132.14 g/mol Appearance Fine white hygroscopic granules or crystals. Density 1.77 g/cm 3 Melting point 235 to 280 °C (455 to