XRD, TGA and TMA Charts (No.064)
No. | Name | Sampling date | Vein or deposit | Mining place | Mining company | Sampling place | Grade or sort |
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064 | UBB__01A | March 30, 1982 | Binnomizu V. | Binnomizu | Ueda Tohseki | Lower level | Spot of sericite |
Colors of the milled samples | |||||||
---|---|---|---|---|---|---|---|
X | Y | Z | Whiteness (Hunter) | L | a | b | Whiteness (Lab) |
62.20 | 60.49 | 45.89 | 38.89 | 77.78 | 6.65 | 19.46 | 69.72 |
Chemical compositions (wt%) | ||||||||
---|---|---|---|---|---|---|---|---|
SiO2 | Al2O3 | Fe2O3 | TiO2 | CaO | MgO | Na2O | K2O | Ig.loss |
75.84 | 15.46 | 1.21 | 0.07 | 0.05 | 0.31 | 0.39 | 3.15 | 2.92 |
Mineral compositions (wt%) | |||||
---|---|---|---|---|---|
Q : Quartz | M : Sericite | K : Kaolin mineral | F : Feldspar | C : Calcite | S : Siderite |
49.22 | 39.86 | 7.14 | 3.57 | 0.07 | 0.14 |
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)
| 3.79 | 2.53 | 51.18 | 46.80 | 36.44 | 30.88 | 68.41 | 13.82 | 16.31 | 61.86
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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) 54.3 | 6.23 | 1362 | 1368 | 1358 | 1514 | 19- | 37.49 | 38.50 | 39.91 | 33.82 | 62.05 | -0.73 | 5.30 | 61.67
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