GSO ISO 10251:2013
铜、铅、锌和镍的浓度 总干物质质量损失的测定

Copper, lead, zinc and nickel concentrates -- Determination of mass loss of bulk material on drying

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标准号

GSO ISO 10251:2013

发布

2013年

发布单位

GSO

当前最新

GSO ISO 10251:2013

 

 

适用范围

This International Standard specifies methods for the determination of moisture content of a lot of copper, lead, zinc or nickel concentrate, defined as the percentage mass loss of the moisture test portion under the conditions of drying specified in this document. In order to obtain an unbiased estimate of the metal content of the lot, it is important that the same drying conditions are used for the determination of bulk and hygroscopic moisture or for preparing a predried test portion. This International Standard is not applicable to drying samples used for determination of volatile elements such as mercury and sulfur. Such samples are allowed to dry at ambient temperature, and a hygroscopic moisture determination is carried out according to ISO 9599 at the time of chemical analysis.

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