ASTM D423-66(1972) Standard Test Method for Determination of Sulfur in Coal and Coke Analytical Samples by High Temperature Tube Furnace Combustion Method
1.1 This method covers the dclcrminahon of the liquid limit of soils as defined in Section 2. U $mg the mechanical dev1a: specified in Section l, sccurin1 the results of at least three trials, and the plotting of 11 now curve. Provision as also made for: (I) a one-point melhod requiring the calculation of the liquid limit value from data secured from a single trial. and (2) o procedure for check or referee tesls.
1.2 The mechanical mclhod shall be used unless. specifications for the soil being teSicd permit lhe use of lhe onc-pomt method. The procedure for check or referee tests shall be used in cues of disagreement or when re· quired in lhe specifications for the soil being lcsted.
ASTM D423-66(1972) history
1972ASTM D423-66(1972) Standard Test Method for Determination of Sulfur in Coal and Coke Analytical Samples by High Temperature Tube Furnace Combustion Method