BS 6200-2.2:1993

Foreword
Committees responsible
Methods
Subsection 1. General
1.1 Scope
1.2 References
1.3 Definitions
1.4 Quality systems
Subsection 2. Requirements for sampling and sample
preparation
2.1 Test sample
2.2 Sampling
2.3 Sample preparation
2.4 Precision of sampling and sample preparation
2.5 Safety precautions
Subsection 3. Ferrochromium, ferromanganese, ferro-
silicon, ferrosilicochromium and ferrosilicomanganese
3.1 General
3.2 Sampling of a consignment supplied in bulk
3.3 Sampling of a consignment supplied in packed units
3.4 Sample preparation
3.5 Sampling and sample preparation of non-crushable
      ferrochromium
Subsection 4. Ferroboron, ferromolybdenum, ferroniobium,
ferrotitanium, ferrotungsten and ferrovanadium
4.1 General
4.2 Sampling during the packing of units
4.3 Sampling of a consignment supplied in packed units
4.4 Sample preparation
Subsection 5. Molybdenum oxide
5.1 Sampling of a consignment supplied in packed units
5.2 Sample preparation
Subsection 6. Special methods of sample preparation
6.1 Sample preparation for analysis by thermal methods
6.2 Sample preparation for analysis by physical methods
Annex
A. (informative) Tables of minimum masses of increments
Tables
1. List of methods in this Section of BS 6200 for the
    sampling and sample preparation of a particular
    ferroalloy
A.1 Minimum mass of increment for sampling ferrochromium
    (crushable), ferrosilicon, ferrosilicochromium,
    ferrosilicomanganese and ferromanganese (from ISO
    4552-1: 1987)
A.2 Minimum mass of increment for sampling ferrotitanium,
    ferromolybdenum, ferrotungsten, ferroniobium and
    ferrovanadium (from ISO 4552-2: 1987)
List of references

Describes methods for incremental sampling used in the manufacture of iron and steel.

This Section of BS 6200 describes methods for the incremental sampling and sample preparation of ferroalloys used in the manufacture of iron and steel. It does not include methods of sampling from a liquid metal. Methods are described for use with ferroboron, ferrochromium, ferromanganese, ferrosilicon, ferrosilicochromium, ferrosilicomanganese, ferroniobium, ferromolybdenum, ferrotitanium, ferrotungsten, ferrovanadium, and molybdenum oxide. For the purposes of this Section of BS 6200, ferroalloys are divided into two groups:

1. ferroalloys supplied mainly in bulk quantities, that is, ferrochromium, ferromanganese, ferrosilicon, ferrosilicochromium and ferrosilicomanganese;
2. ferroalloys supplied in packed units, that is, ferroboron, ferromolybdenum, ferroniobium, ferrotitanium, ferrotungsten and ferrovanadium.

As a supplement to the list of contents, the methods for a particular ferroalloy are listed in Table 1 with reference to the relevant subsection in this Section of BS 6200.