ジルコニウム

ジルコニウム 物理性質

融点 : 1852 °C(lit.) 沸点 : 4377 °C(lit.) 比重(密度) : 1.01 g/mL at 25 °C 外見 : wire Merck : 13,10226 CAS データベース: 7440-67-7(CAS DataBase Reference)

安全性情報

主な危険性 : F,Xi,Xn,C Rフレーズ : 36/38-17-15-36/37/38-20/21/22-40-34 Sフレーズ : 26-43-7/8-36-36/37/39-35-27-16-36/37-45 RIDADR : UN 2858 4.1/PG 3 WGK Germany : 2 RTECS 番号: ZH7070000 F : 10 国連危険物分類 : 4.2 容器等級 : III

ジルコニウム 化学特性,用途語,生産方法

化学的特性 metal foil 一般的な説明 A gray amorphous sludge with not less than 20% water. 空気と水の反応 May ignite on contact with air or moist air. May burn rapidly with flare-burning effect. Some react vigorously or explosively on contact with water. The severity of the pyrophoric reaction depends a great deal on zirconium particle size, with the finely divided material reacting with the most vigor. The initiation of the explosion has been spark and by electrostatic ignition. Zirconium dusts have been known to explode, [NFPA 482M, 1974], covers all aspects of storage and handling of zirconium, there are 43 abstracts of unusual zirconium fire and explosion incidents. Water Insoluble . 反応プロフィール When a mixture of alkali hydroxides and zirconium is heated, the liberated oxygen reacts explosively with zirconium [Mellor 7:116 1946-47]. Chromates, dichromates, sulfates, molybdates, and tungstates of lithium, sodium, potassium, rubdium, and cesium will react violently, even explosively, with an excess of zirconium powder [Ellern 1968. p. 249]. A mixture of hydrated borax and zirconium explodes when heated [Mellor 7:116 1946-47]. An explosion occurred when zirconium sponge was placed in a beaker of carbon tetrachloride [Allison 1969]. Zirconium explodes violently with cupric oxide or lead oxide [Mellor 7:116 1946-47]. A mixture of powdered zirconium and potassium nitrate explodes when heated above the melting point [Mellor 7:116 1946-47]. 火災危険 May react violently or explosively on contact with water. Some are transported in flammable liquids. May be ignited by friction, heat, sparks or flames. Some of these materials will burn with intense heat. Dusts or fumes may form explosive mixtures in air. Containers may explode when heated. May re-ignite after fire is extinguished.

ジルコニウム 上流と下流の製品情報

原材料

準備製品 ジルコニウム(IV)ジオキシド 1-トリアコンタノール 酸化チタン(IV),ルチル型 ホウ化ジルコニウム（２：１）

ジルコニウム 生産企業      Global( 90)Suppliers      BELGIUM 1 CANADA 1 CHINA 39 Europe 2 GERMANY 5 JAPAN 5 SWITZERLAND 1 UNITED KINGDOM 7 USA 29 Global 90

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