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GB/T 27673-2011: Copper, lead, zinc and nickel concentrates -- Determination of mass loss of bulk material on drying
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| GB/T 27673-2011 | English | 329 |
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Copper, lead, zinc and nickel concentrates -- Determination of mass loss of bulk material on drying
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GB/T 27673-2011
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Basic data | Standard ID | GB/T 27673-2011 (GB/T27673-2011) | | Description (Translated English) | Copper, lead, zinc and nickel concentrates -- Determination of mass loss of bulk material on drying | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | D42 | | Classification of International Standard | 77.120.01 | | Word Count Estimation | 14,137 | | Date of Issue | 2011-12-30 | | Date of Implementation | 2012-10-01 | | Quoted Standard | GB/T 14260; ISO 9599 | | Adopted Standard | ISO 10251-2006, MOD | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 22 of 2011 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the sulfide copper, lead, zinc and nickel concentrates dry bulk material mass loss measurement method specified in this standard under dry conditions, the mass loss is defined as the percentage of water loss of quality. | GB/T 27673-2011: Copper, lead, zinc and nickel concentrates -- Determination of mass loss of bulk material on drying
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Copper, lead, zinc and nickel concentrates. Determination of mass loss of bulk material on drying
ICS 77.120.01
D42
National Standards of People's Republic of China
Copper sulfide, lead, zinc and nickel concentrates
Determination of dry bulk material mass loss
Copper, lead, zincandnickelconcentrates-
(ISO 10251.2006, MOD)
Issued on. 2011-12-30
2012-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard is in accordance with GB/T 1.1-2009 given rules drafted.
This revised standard adopts ISO 10251.2006 "copper sulfide, lead, zinc and nickel concentrates dry bulk materials Determination of mass loss."
This standard and ISO 10251.2006 compared to the main changes are as follows.
--- Of terms, definitions and provisions of the content of expression by Chinese customs have been modified;
--- A reference to the standard has been modified;
--- Modify the recommended initial drying time;
--- Remove the original International Standard under an inert atmosphere of dry content.
This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized.
This standard is drafted by. Tongling Nonferrous Metals Group Holdings Co., Ltd., China Nonferrous Metals Industry Institute of Standards Metrology and Quality.
Participated in the drafting of this standard. Northern Copper Co., Ltd., Henan Yuguang Gold & Lead Co., Ltd.
The main drafters of this standard. Peng Kang Bo Shaotian, Zhang Yahai, Bi Jianming, Zhao Junfeng, check Xiao Ming, Yan Hongxia, often Ji Xiang, Zhou Wenying.
Copper sulfide, lead, zinc and nickel concentrates
Determination of dry bulk material mass loss
1 Scope
This standard specifies the method for determination of copper sulfide, lead, zinc and nickel concentrates dry bulk material mass loss in the drying conditions specified in this standard
, The mass loss is defined as the percentage of water quality loss.
Note. For the determination of the metal content of the concentrate does not generate an error, note that the same drying conditions measured or prepared for bulk materials and pre-hygroscopic moisture
Dry sample.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 14260 heavy nonferrous metals flotation concentrates in bulk sampling and sample preparation General
ISO 9599 copper sulfide, lead and zinc concentrate sample moisture Gravimetric method (Copper, lead, zincandnickelconcen-
trates-Samplingproceduresfordeterminationofmetalandmoisturecontent)
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Samples representativesample
Within the limits of precision and bias can be accepted, can represent a certain amount of concentrate large quantities of concentrate.
3.2
Bulk lot
Sampling a certain number of representatives of the concentrate.
3.3
Lot sample lotsample
It represents the number of (sample) of the bulk concentrate.
3.4
The grant sub-lot
A part of the batch is divided again, each of which take a second sample to be analyzed separately, such as moisture measurement.
3.5
Times like subsample
Concentrate on behalf of a number of sub-batches.
3.6
Increment increment
A number of sampling device concentrate selected operations.
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