Hardmetals. Knoop hardness testBS ISO 22394: 2010 Hardmetals. Knoop hardness test Many metallurgical problems require the determination of hardness over very small areas. The special shape of the Knoop indenter makes it possible to place indentations much closer together than with a square Vickers indentation, e. g. to measure a steep hardness gradient. For a given long diagonal length, the depth and area of the Knoop indentation are known to be only 15 % of what they would be for

BS EN 15742 specifies a gas chromatographic method with electron capture detection (ECD) for the determination of organochlorine pesticides (OC’s) and polychlorinated biphenyls (PCBs) in animal feeding stuffs

‘Technology’ Topics – Risks

Omission of markings

chemical reactivity

secondary dimensions

BS EN 61508-7 is the seventh part of the multiple series that contains an overview of various safety techniques and measures relevant to IEC 61508-2 and IEC 61508-3

Fall cone test

BS EN ISO 1461:2009 replaces BS EN ISO 1461:1999 which has been withdrawn

List of references

1 Result of test sample analyses

Methods for determining and monitoring the essential properties of penetrant testing products to be used are specified in BS EN 571-2 and BS EN 571-3

These measurements can only be done when the measurement instruments being used have been calibrated correctly