Turkmenistan standards PDF

Coal preparation, Part 1- Higher rank coal — Float and sink testing. Original standard AS 4156.1-1994 (2013) in PDF full version. Additional info + preview on request

Document status: Replaced by St AS 4156.1.1-2018

Coal preparation, Part 1.1- Higher rank coal - Float and sink testing. Original standard AS 4156.1.1-2018 in PDF full version. Additional info + preview on request

Document status: Active

Coal preparation, Part 1.1- Higher rank coal - Float and sink testing. Original standard AS 4156.1.1-2018 (2025) in PDF full version. Additional info + preview on request

Document status: Active

Coal preparation, Part 2.1- Higher rank coal — Froth flotation — Basic test. Original standard AS 4156.2.1-2004 (2016) in PDF full version. Additional info + preview on request

Document status: Active

Coal preparation, Part 2.2- Higher rank coal — Froth flotation — Sequential procedure. Original standard AS 4156.2.2-1998 (2013) in PDF full version. Additional info + preview on request

Document status: Active

Coal preparation, Part 3- Magnetite for coal preparation plant use - Test methods. Original standard AS 4156.3-2008 (2009) in PDF full version. Additional info + preview on request

Document status: Active