KS E 4005-2007
Portable polarizing microscope for sampling and determining incombustible matter in coal and rock-dust mixtures

Standard No.

KS E 4005-2007

Release Date

2007

Published By

Korean Agency for Technology and Standards (KATS)

Status

Withdraw

Replace By

KS E 4005-2007(2012)

Latest

KS E 4005-2013

Replace

KS E 4005-1981

Scope

This standard applies to locations where there is a risk of explosion or explosion propagation of coal dust or mixed dust, such as inside a coal mine.

KS E 4005-2007 history

• 2013 KS E 4005-2013 Portable polarizing microscope for sampling and determining incombustible matter in coal and rock-dust mixtures
• 0000 KS E 4005-2007(2012)
• 2007 KS E 4005-2007 Portable polarizing microscope for sampling and determining incombustible matter in coal and rock-dust mixtures
• 1981 KS E 4005-1981 Portable polarizing microscope for sampling and determining incombustible matter in coal and rock-dust mixtures