S, P, K, Ca, Si, Cl, Mn, Fe, Ti and Sr determination in coal

S, P, K, Ca, Si, Cl, Mn, Fe, Ti and Sr determination in coal

The test method specifies mass content determination of Si (Silicon), P (Phosphorus), S (Sulfur), Cl (Chlorine), K (Potassium), Ca (Calcium), Ti (Titanium), Mn (Manganese), Fe (Iron) and Sr (Strontium) in powder coal samples by X-Ray fluorescence method with "SPECTROSCAN MAKC" spectrometers.
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The analysis procedure includes two measurements of the same material sample prepared for analysis. The sample material is dried and grinded to the particle size of 50 micron.
The sample material is pressed into a pellet in a boron acid cup.
Boron acid cup is pressed out with a shaped punch being at least 3 mm deep. Sample material is put into the cup and pressed with a flat punch into a pellet. The pellet put into the sample holder and then into spectrometer. Analysis is carried out automatically according to the chosen program. The program can determine all elements (oxides) listed in the test method or some of those elements by choice.
Mass content determination of all elements is obtained from one sample.
Mass content range of the oxides specified in the test method is given in the table below.

Determined componentElement mass content, %
S0,20 - 0,40
P0,01 - 0,050
K0,10 - 0,40
Ca0,50 - 0,60
Si1,75 - 4,8
Cl0,040 - 0,15
Mn0,0025- 0,015
0,50 - 0,93
0,04 - 0,09
0,003 - 0,015
Laboratory grinder LDI-65
desk top laboratory grinder. The grinder is used for uniform grinding of sample material. The grinder is recommended for powder sample preparation for XRFA.
It provides required particle size, and uniform grinding. The grinding plates do not introduce additional elements into the sample material, therefore does not add errors to analysis.
Hydraulic laboratory press PGR - 10
desk top manually operated hydraulic press is recommended for powder sample pressing to improve analysis results.
There are two modifications differ in available stresses – either from 0 to 10 ton or from 0 to 20 ton.
The modification is chosen dependent on the material for analysis and customer analytical task.
The delivery set includes molders of various diameters dependent on the analytical task.
ПГР - 10


Agate mortar
The mortar is used for manual suspension and powder grinding, as well as for mixing small portions of substances used in scientific research.


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