GB/T 27682-2011Copper slag concentrate (English PDF)

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 & 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

5 Inspection rules

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.

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; […]