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ID number:916880
 
Author:
Evaluation:
Published: 30.09.2008.
Language: Latvian
Level: Elementary school
Literature: n/a
References: Not used
Extract

Iegusana:
Al un lielāko daļu tā savienojumu iegūst no boksītu rūdas. Vel iegust, elektrizejot Al oksida skidumu izkauseta kriolita 950o C temperatura.
Fizikālās īpašības:
Al ir viegls, sudrabbalts metāls, kam piemīt laba elektrovadītspēja un siltumvadītspēja. Tas ir ļoti plastisks, ar mazu cietību un mehānisko izturību. Al ir viegli stiepjams un velvējams.
Al - kušanas temperatūra 660 grādi pēc Celsija. Viršanas temp. 2327 C. Blīvums 2698 kg/kubikmetru(20 grādos pēc celsija).…

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