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8 - Clay, Limestone, Dolomite, Gypsum

Prior to fusion, the loss on ignition (LOI), which includes H2O+, CO2, S and other volatiles, is determined from the weight loss after roasting the sample. The fusion disk is made by mixing the roasted sample with a combination of lithium metaborate and lithium tetraborate. Samples are fused in Pt crucibles using an automated crucible fluxer and automatically poured into Pt molds for casting. Samples are analyzed on a Panalytical Axios Advanced wavelength dispersive XRF.

 

Suitable for samples containing < 500 ppm uranium.

 

  Code 8 – Clay, Limestone, Dolomite, Gypsum Major oxides (%)

Element

Detection Limit

Element

Detection Limit

Al2O3

0.01%

MgO

0.01%

CaO

0.01%

MnO

0.01%

Cr2O3

0.01%

Na2O

0.01%

Fe2O3

0.01%

P2O5

0.002%

K2O

0.01%

SiO2

0.01%

LOI  1000 °C

0.01%

TiO2

0.01%

 


Activation Laboratories Ltd. | 41 Bittern Street, Ancaster, Ontario, L9G 4V5, Canada | TF: +1.888.228.5227
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