ISO 11794-2010 铜,铅,锌和镍浓缩物.浆料的取样.pdf

标准号：ISO 11794-2010
实施状态：作废
中文名称：铜,铅,锌和镍浓缩物.浆料的取样
英文名称：Copper, lead, zinc and nickel concentrates - Sampling of slurries
发布日期：2010-10-01
实施日期：2010-10-01
被替代标准：ISO 11794-2017
代替标准：ISO/DIS 11794-2009
采用标准：BS ISO 11794-2010,IDT;NEN-ISO 11794-2010 en-2010,IDT
起草单位：ISO/TC 183
标准简介：WARNING — This International Standard may involve hazardous materials, operations and equipment.
It is the responsibility of the user of this International Standard to establish appropriate health and
safety practices and determine the applicability of regulatory limitations prior to use.
This International Standard sets out the basic methods for sampling particulate material that is mixed with a
liquid, usually water, to form a slurry. In industry and in the mining and mineral processing literature, slurry is
also referred to as pulp, but this term is not used in this International Standard. At very high ratios of fine
particulate solids to liquids where material assumes a soft plastic form, the mixture is correctly termed as a
paste. Sampling of pastes is not covered in this International Standard.
The procedures described in this International Standard apply to sampling of particulate materials that are
transported in moving streams as slurries, but not pressurized slurries. These streams may fall freely or be
confined in pipes, launders, flumes, sluices, spirals or similar channels. Sampling of slurries in stationary
situations, such as a settled or even a well-stirred slurry in a holding vessel or dam, is not recommended and
is not covered in this International Standard.
This International Standard describes procedures that are designed to provide samples representative of the
slurry solids and particle-size distribution of the slurry under examination. After draining the slurry sample of
fluid and measuring the fluid volume, damp samples of the contained particulate material in the slurry are
available for drying (if required) and measurement of one or more characteristics in an unbiased manner and
with a known degree of precision. The characteristics are measured by chemical analysis, physical testing or
both.
The sampling methods described are applicable to slurries that require inspection to verify compliance with
product specifications, determination of the value of a characteristic as a basis for settlement between trading
partners or estimation of a set of average characteristics and variances that describes a system or procedure.
Provided that flow rates are not too high, the reference method against which other sampling procedures are
compared is one where the entire stream is diverted into a vessel for a specified time or volume interval. This
method corresponds to the stopped-belt method described in ISO 12743.
文件格式：PDF
文件大小：1.72MB
文件页数：50
（以上信息更新时间为：2019-11-22）



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