XRD, TGA and TMA Charts (No.194)
| No. | Name | Sampling date | Vein or deposit | Mining place | Mining company | Sampling place | Grade or sort |
|---|---|---|---|---|---|---|---|
| 194 | SFD1_01A | March 26,1981 | Fukami V. | Fukami | Shin-ei Tohseki | Stock yard | First grade |
| Colors of the milled samples | |||||||
|---|---|---|---|---|---|---|---|
| X | Y | Z | Whiteness (Hunter) | L | a | b | Whiteness (Lab) |
| 81.89 | 81.71 | 79.05 | 66.99 | 90.39 | 3.52 | 11.43 | 84.66 |
| Chemical compositions (wt%) | ||||||||
|---|---|---|---|---|---|---|---|---|
| SiO2 | Al2O3 | Fe2O3 | TiO2 | CaO | MgO | Na2O | K2O | Ig.loss |
| 79.81 | 14.64 | 0.27 | 0.13 | 0.05 | 0.07 | 0.03 | 0.33 | 4.40 |
| Mineral compositions (wt%) | |||||
|---|---|---|---|---|---|
| Q : Quartz | M : Sericite | K : Kaolin mineral | F : Feldspar | C : Calcite | S : Siderite |
| 65.27 | 0.01 | 34.16 | 0.50 | 0.00 | 0.06 |
| Results of TGA and Colors of the Powder Samples after Measuring | |||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
The conditions for TGA were sample weight : about 180mg, heating rate : 20°C/min, ended temperature : 1000°C.
LT : Total weight loss, L400 : Weight loss of 400-1000°C. LT (wt%) | L400 (wt%) | X | Y | Z | Whiteness (Hunter) | L | a | b | Whiteness (Lab)
| 4.90 | 4.22 | 73.21 | 71.13 | 67.89 | 57.53 | 84.34 | 7.35 | 11.31 | 79.33
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| Results of TMA and Colors of the Sintered Samples after Measuring | ||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
The conditions for TMA were compaction pressure : 250MPa, pellet diameter : 10mm, thickness : about 3mm, heating rate : 10°C/min, loading : 10g.
W10 : Contents of particles larger than 10µm, SMax : Maximum shrinkage, T0 : Temperature at the maximum shrinkage, T5 : Temperature at the expansion coefficient becomes 0.0005/°C, TS5 : Temperature rectified using the correlative equation, TSK : Nominal temperature equivalent to its SK. W10 | (wt%) SMax | (%) T0 | (°C) T5 | (°C) TS5 | (°C) TSK | (°C) SK | X | Y | Z | W | (Hunter) L | a | b | W | (Lab) 46.0 | 5.11 | 1600 | 1600 | 1596 | 1653 | 29+ | 67.95 | 69.68 | 79.76 | 67.59 | 83.47 | -0.78 | 1.78 | 83.36
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