XRD, TGA and TMA Charts (No.135)
| No. | Name | Sampling date | Vein or deposit | Mining place | Mining company | Sampling place | Grade or sort |
|---|---|---|---|---|---|---|---|
| 135 | RTT__01A | March 29,1980 | Tanosako V. | Tanosako | Reihoku Tohseki | In the factory of acid treatment | Raw material ? |
| Colors of the milled samples | |||||||
|---|---|---|---|---|---|---|---|
| X | Y | Z | Whiteness (Hunter) | L | a | b | Whiteness (Lab) |
| 71.65 | 71.29 | 71.58 | 60.66 | 84.43 | 3.72 | 8.84 | 81.72 |
| Chemical compositions (wt%) | ||||||||
|---|---|---|---|---|---|---|---|---|
| SiO2 | Al2O3 | Fe2O3 | TiO2 | CaO | MgO | Na2O | K2O | Ig.loss |
| 77.04 | 14.71 | 1.44 | 0.05 | 0.11 | 0.26 | 0.12 | 2.36 | 3.65 |
| Mineral compositions (wt%) | |||||
|---|---|---|---|---|---|
| Q : Quartz | M : Sericite | K : Kaolin mineral | F : Feldspar | C : Calcite | S : Siderite |
| 53.81 | 29.62 | 14.78 | 1.02 | 0.06 | 0.71 |
| 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)
| 4.14 | 3.44 | 56.58 | 55.13 | 57.35 | 48.60 | 74.25 | 6.08 | 6.18 | 72.83
| | |||||||||
| 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) 43.9 | 6.23 | 1341 | 1347 | 1344 | 1499 | 18 | 53.73 | 54.97 | 55.54 | 47.07 | 74.14 | -0.39 | 7.48 | 73.08
| | ||||||||||||||
| 42.0 | 5.64 | 1426 | 1432 | 1431 | 1580 | 26 | 41.00 | 42.09 | 44.41 | 37.64 | 64.88 | -0.73 | 4.83 | 64.54
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