...A type of magnesium clay mineral. Also called talc. Its chemical composition is Mg 3 Si 4 O 10 (OH) 2 . From [Talcum Powder]…This cosmetic product uses talc (talc) as its main ingredient, and controls sweat and improves the texture of the skin. It is known as “asaerazu” (sweat-free). As the Arabic root of its name, talc (talq, meaning to be liberated or brightened), indicates, it is highly transparent. It is also called wax stone, and has white, scaly or granular crystals with a pearl-like luster. It spreads smoothly on the skin and helps evaporate sweat. Talcum powder is made of more than 90% talc, with a small amount of magnesium stearate added to increase adhesion, and is mixed with disinfectants such as boric acid and fragrances. … *Some of the terminology explanations that mention "talc" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…マグネシウム粘土鉱物の一種。タルクtalcとも呼ぶ。化学組成はMg3Si4O10(OH)2。… 【タルカム・パウダー】より…タルクtalc(滑石)を主原料にした,汗をおさえ,肌ざわりをよくする化粧品。〈汗しらず〉の名で知られる。タルクは語源であるアラビア語のtalq(解放される,明るくなる)が示すように,透明度が高い。また,蠟石とも呼ぶように蠟様に軟らかく,真珠のような光沢の白色鱗片状,あるいは細粒状結晶がある。そのため,肌へなめらかにのびて汗の蒸散を助ける。タルカム・パウダーは90%以上のタルクに,少量のステアリン酸マグネシウムを加えて付着力を増し,それにホウ酸などの殺菌剤と香料を配合したものである。… ※「talc」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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