XRD, TGA and TMA Charts (No.103)
No. | Name | Sampling date | Vein or deposit | Mining place | Mining company | Sampling place | Grade or sort |
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103 | KKS1_16A | June 11,1981 | Kaigan V. | Shimizuotoshi | Kiyama Tohseki | ? | First grade B, small grain? |
Colors of the milled samples | |||||||
---|---|---|---|---|---|---|---|
X | Y | Z | Whiteness (Hunter) | L | a | b | Whiteness (Lab) |
78.87 | 79.22 | 84.25 | 71.40 | 89.01 | 2.41 | 6.18 | 87.16 |
Chemical compositions (wt%) | ||||||||
---|---|---|---|---|---|---|---|---|
SiO2 | Al2O3 | Fe2O3 | TiO2 | CaO | MgO | Na2O | K2O | Ig.loss |
78.44 | 14.58 | 0.71 | 0.02 | 0.10 | 0.14 | 0.07 | 2.88 | 2.76 |
Mineral compositions (wt%) | |||||
---|---|---|---|---|---|
Q : Quartz | M : Sericite | K : Kaolin mineral | F : Feldspar | C : Calcite | S : Siderite |
53.01 | 33.88 | 12.50 | 0.51 | 0.00 | 0.10 |
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)
| 3.32 | 2.59 | 65.97 | 65.47 | 71.35 | 60.47 | 80.91 | 3.94 | 4.36 | 80.03
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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) 50.0 | 6.31 | 1435 | 1442 | 1435 | 1583 | 26 | 57.82 | 58.62 | 63.46 | 53.78 | 76.56 | 0.81 | 4.45 | 76.13
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