IS 27 : 2023 Primary Lead - Specification

ICS 77.120.60

MTD 09

Revised Standard from Last Update.

1. SCOPE

1.1 This standard specifies the requirements for primary lead ingots produced from ore or similar raw materials.

1.2 The requirements for reclaimed lead or secondary lead produced from lead scrap as raw material through any refining process are not covered in this standard and are separately covered in IS 3717.

2. REFERENCES

The standards given below contain provisions which through reference in this text, constitute provision of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent edition ofthese standards:

IS 403 : 1964 Method of chemical analysis of lead and antimonial lead (revised)

IS 1387 : 1993 General requirement for the supply of metallurgical materials (second revision)

IS 1817 : 1961 Methods of sampling nonferrous metals for chemical analysis

IS 3717 : 1977 Specification for refined secondary lead (first revision)

IS 8439 : 1977 Method for sampling of lead and lead alloys