COAL. DETERMINATION OF NITROGEN. SEMI-MICRO KJELDAHL METHOD.
Edition 1995-10-24

SOLID FUELS ANALYSIS. PHOSPHORUS DETERMINATION IN ASHES OF COAL AND COKE BY GRAVIMETRIC METHOD.
Edition 1962-03-15

HARD COAL AND COKE. DETERMINATION OF VOLATILE MATTER CONTENT.
Edition 1984-11-15

DETERMINATION OF REAL SPECIFIC WEIGHT OF SOLID FUELS.
Edition 1962-03-15

SOLID MINERAL FUELS. DETERMINATION OF CHLORINE USING ESCHKA MIXTURE.
Edition 1995-10-24

SOLID MINERAL FUELS. DETERMINATION OF GROSS CALORIFIC VALUE BY THE CALORIMETER BOMB METHOD.
Edition 1995-10-24

LIGNITES, HARD COAL AND ANTHRACITE. DETERMINATION OF HARDGROVE GRINDABILITY INDEX.
Edition 1995-10-24

SOLID MINERAL FUELS. DETERMINATION OF FUSIBCITY OF ASH. HIGH-TEMPERATURE TUBE METHOD.
Edition 1995-10-24

COAL. DETERMINATION OF MAJOR AND MINOR ELEMENTS IN COAL AND COKE ASH BY ATOMIC ABSORPTION.
Edition 1995-10-24

HARD COAL AND ANTHRACITE. DETERMINATION OF ASH CONTENT WITH AUTOMATIC PROGRAMABLE FURNACES.
Edition 1995-10-24