Denomination Sample

Origin Material

Properties

DRX Analysis

Differential Thermal Analysis

Sample U CONV-13

Fine insulating CaF₂ material

Easy to grind

CaF₂-SiO₂-UO₂-UF₅ and MgF₂

Weight variation 1.19%

Sample U CONV-14

Insulation material contaminated with black particles

Black particles do not grind easily

CaF₂.-SiO₂.-UO₂ and MgF₂.

No weight loss

Sample U CONV 15

CaF₂ contaminated with black particles

Difficult to disintegrate. it was milled in impact mill

CaF₂.-U₃O₈.-UO₂.-MgF₂.-MgO. Mg. U and Si

It was not subjected to this analysis

Sample U CONV 16

Slag material. MgF₂

Medium hard. grounded with difficulty under 80 mesh

CaF₂.-MgF₂.-UO₂.-MgO.-U.-UF₅. MgSiO₃

There is no variation in weight.

Sample U CONV.17

Material of the reactor center. CaF₂.

Easy to grind by contact with the lid

CaF₂. SiO₂. UO₂. MgSiO₃ and UF₅

It was not subjected to this analysis