XRD, TGA and TMA Charts (No.153)
| No. | Name | Sampling date | Vein or deposit | Mining place | Mining company | Sampling place | Grade or sort |
|---|---|---|---|---|---|---|---|
| 153 | KGYS_14A | December 1,1980 | Murayama V. | Uchiyama | Kyoritsu Yogyo | Lower working face | = KGY__02S ?, deep Shima (stripes) |
| Colors of the milled samples | |||||||
|---|---|---|---|---|---|---|---|
| X | Y | Z | Whiteness (Hunter) | L | a | b | Whiteness (Lab) |
| 62.24 | 61.46 | 48.02 | 40.69 | 78.40 | 4.52 | 18.56 | 71.16 |
| Chemical compositions (wt%) | ||||||||
|---|---|---|---|---|---|---|---|---|
| SiO2 | Al2O3 | Fe2O3 | TiO2 | CaO | MgO | Na2O | K2O | Ig.loss |
| 75.63 | 15.11 | 1.01 | 0.02 | 0.28 | 0.14 | 1.43 | 3.39 | 2.57 |
| Mineral compositions (wt%) | |||||
|---|---|---|---|---|---|
| Q : Quartz | M : Sericite | K : Kaolin mineral | F : Feldspar | C : Calcite | S : Siderite |
| 43.97 | 29.22 | 12.27 | 13.89 | 0.50 | 0.15 |
| 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)
| 3.29 | 2.36 | 59.10 | 54.55 | 39.35 | 33.35 | 73.86 | 13.58 | 20.11 | 64.33
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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) 40.0 | 6.73 | 1323 | 1333 | 1333 | 1487 | 17+ | 51.57 | 52.27 | 53.02 | 44.93 | 72.30 | 0.80 | 7.13 | 71.38
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