XRD, TGA and TMA Charts (No.105)
No. | Name | Sampling date | Vein or deposit | Mining place | Mining company | Sampling place | Grade or sort |
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105 | KGG0_01S | March 26,1981 | Murayama V. | Gosoh | Kiyama Tohseki | Incline shaft working face | Special grade, SK28, kaolin / sericite = 1 |
Colors of the milled samples | |||||||
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X | Y | Z | Whiteness (Hunter) | L | a | b | Whiteness (Lab) |
84.17 | 85.10 | 86.82 | 73.58 | 92.25 | 1.43 | 8.77 | 88.21 |
Chemical compositions (wt%) | ||||||||
---|---|---|---|---|---|---|---|---|
SiO2 | Al2O3 | Fe2O3 | TiO2 | CaO | MgO | Na2O | K2O | Ig.loss |
80.35 | 13.73 | 0.46 | 0.01 | 0.00 | 0.00 | 0.10 | 1.77 | 3.41 |
Mineral compositions (wt%) | |||||
---|---|---|---|---|---|
Q : Quartz | M : Sericite | K : Kaolin mineral | F : Feldspar | C : Calcite | S : Siderite |
63.84 | 6.24 | 28.80 | 1.12 | 0.00 | 0.00 |
Results of TGA and Colors of the Powder Samples after Measuring | |||||||||||||||||||||||||||||
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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)
| 3.75 | 3.31 | 68.38 | 65.12 | 64.63 | 54.77 | 80.70 | 10.04 | 9.00 | 76.46
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Results of TMA and Colors of the Sintered Samples after Measuring | ||||||||||||||||||||||||||||||||||||||||||||
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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) 48.2 | 8.80 | 1481 | 1496 | 1490 | 1618 | 27+ | 67.11 | 67.80 | 76.27 | 64.64 | 82.34 | 1.39 | 2.72 | 82.08
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