XRD, TGA and TMA Charts (No.093)
No. | Name | Sampling date | Vein or deposit | Mining place | Mining company | Sampling place | Grade or sort |
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093 | KKSHP04S | July 16, 1980 | Kaigan V. | Shimizuotoshi | Kiyama Tohseki | Inside drift / right | Henshoku (discoloration), FeS (+) |
Colors of the milled samples | |||||||
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X | Y | Z | Whiteness (Hunter) | L | a | b | Whiteness (Lab) |
77.96 | 77.81 | 82.57 | 69.97 | 88.21 | 3.39 | 6.25 | 86.23 |
Chemical compositions (wt%) | ||||||||
---|---|---|---|---|---|---|---|---|
SiO2 | Al2O3 | Fe2O3 | TiO2 | CaO | MgO | Na2O | K2O | Ig.loss |
80.35 | 13.03 | 0.79 | 0.02 | 0.05 | 0.13 | 0.09 | 3.48 | 1.95 |
Mineral compositions (wt%) | |||||
---|---|---|---|---|---|
Q : Quartz | M : Sericite | K : Kaolin mineral | F : Feldspar | C : Calcite | S : Siderite |
62.06 | 34.32 | 0.87 | 1.95 | 0.00 | 0.80 |
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)
| 2.19 | 1.86 | 64.63 | 64.27 | 69.16 | 58.61 | 80.17 | 3.61 | 4.97 | 79.24
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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) 53.8 | 9.25 | 1409 | 1413 | 1403 | 1557 | 26- | 51.17 | 51.90 | 55.88 | 47.36 | 72.04 | 0.71 | 4.44 | 71.68
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