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GB/T 27682-2011 English PDF (GBT27682-2011)

GB/T 27682-2011 English PDF (GBT27682-2011)

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GB/T 27682-2011: Copper slag concentrate

This standard specifies the requirements, test methods, inspection rules, packaging, transportation, quality forecast and purchase orders for copper slag concentrates. This standard applies to the copper slag concentrates for copper smelting which is obtained by flotation method of the slag produced during smelting and blowing during copper smelting.
GB/T 27682-2011
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 73.060
D 43
Copper slag concentrate
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ISSUED ON: DECEMBER 30, 2011
IMPLEMENTED ON: OCTOBER 01, 2012
Issued by: General Administration of Quality Supervision, Inspection and Quarantine;
Standardization Administration of PRC.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Requirements ... 4
4 Test method ... 5
5 Inspection rules ... 5
6 Packaging, transportation and quality report form ... 6
7 Contract (or purchase order) ... 7
Copper slag concentrate
1 Scope
This standard specifies the requirements, test methods, inspection rules, packaging, transportation, quality forecast and purchase orders for copper slag concentrates.
This standard applies to the copper slag concentrates for copper smelting which is obtained by flotation method of the slag produced during smelting and blowing during copper smelting.
2 Normative references
The following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) is applicable to this standard.
GB/T 3884 (all parts) Methods for chemical analysis of copper concentrates GB/T 8170 Rules of rounding off for numerical values and expression and
judgement of limiting values
GB/T 14263 Bulk flotation copper concentrate - Sampling and sample
preparation method
GB 20424 Limitation specification for harmful elements in heavy metal
concentrate products
3 Requirements
3.1 Product classification
Copper slag concentrate is divided into first grade, second grade and third grade products according to copper content.
3.2 Chemical composition
The impurity limits of Hg, F, Cd in copper slag concentrate shall meet the requirements of GB 20424. The remaining chemical components shall meet the requirements of Table 1.
5.3.2 Divide the prepared samples into three parts: one is the acceptance analysis sample for the buyer; one is the sample for the supplier; one is the arbitration sample. They are stored by the buyer for 60 days. If the supplier has any objection to the results of the acceptance analysis, it shall be raised during the retention period of the arbitration sample.
5.4 Judgment of inspection results
5.4.1 The rounding of figures and the judgment of inspection results shall be carried out in accordance with the provisions of GB/T 8170.
5.4.2 When there is a dispute between the supplier and the buyer on the inspection result, the supplier and the buyer shall negotiate and resolve it. If arbitration is required, the inspection result of the arbitration sample shall be the final basis for judgment.
5.4.3 In the same vehicle, if the color of copper slag concentrate is found to be obviously inconsistent, doped, etc., or does not meet the requirements of this standard or contract (or purchaser order), the products of this vehicle will be deemed unqualified.
5.4.4 In the same vehicle, if the copper slag concentrate is found to be mixed with different grades or the grades of the valuable elements of gold and silver do not meet the requirements of this standard or the contract (or purchase order), the lower grade will be the final result.
6 Packaging, transportation and quality report form
6.1 The copper slag concentrate is in bulk or in bags. The weight of each bag shall be basically the same.
6.2 The copper slag concentrate is transported by train (ship) or automobile. After loading, the surface of the concentrate shall be flattened.
6.3 When each batch of copper slag concentrate is shipped, the supplier shall attach a quality report, with the following contents:
a) Supplier's name, address, telephone, fax;
b) Product name and grade;
c) Weight;
d) Vehicle number;
e) Analytical inspection results;

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