XRD, TGA and TMA Charts (No.035)
| No. | Name | Sampling date | Vein or deposit | Mining place | Mining company | Sampling place | Grade or sort |
|---|---|---|---|---|---|---|---|
| 035 | USD0H16A | June 11,1981 | Sarayama V. | Denbeekoba | Ueda Tohseki | In the stack of third grade | Small grain of Special grade |
| Colors of the milled samples | |||||||
|---|---|---|---|---|---|---|---|
| X | Y | Z | Whiteness (Hunter) | L | a | b | Whiteness (Lab) |
| 81.89 | 83.11 | 82.47 | 69.89 | 91.16 | 0.80 | 10.18 | 86.50 |
| Chemical compositions (wt%) | ||||||||
|---|---|---|---|---|---|---|---|---|
| SiO2 | Al2O3 | Fe2O3 | TiO2 | CaO | MgO | Na2O | K2O | Ig.loss |
| 77.94 | 15.23 | 0.37 | 0.01 | 0.09 | 0.08 | 0.09 | 3.80 | 2.02 |
| Mineral compositions (wt%) | |||||
|---|---|---|---|---|---|
| Q : Quartz | M : Sericite | K : Kaolin mineral | F : Feldspar | C : Calcite | S : Siderite |
| 66.32 | 30.13 | 2.24 | 0.99 | 0.20 | 0.13 |
| 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)
| 2.65 | 1.88 | 77.89 | 77.22 | 73.71 | 62.47 | 87.87 | 4.44 | 11.78 | 82.52
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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) 49.2 | 6.41 | 1422 | 1434 | 1427 | 1577 | 26 | 70.25 | 71.82 | 80.07 | 67.86 | 84.75 | -0.34 | 3.30 | 84.39
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