XRD, TGA and TMA Charts (No.184)
No. | Name | Sampling date | Vein or deposit | Mining place | Mining company | Sampling place | Grade or sort |
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184 | MKK2_01S | December 1,1980 | Kaigan V. | Kawanohata | Matsuzaki Tohseki | Stock yard | Second grade |
Colors of the milled samples | |||||||
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X | Y | Z | Whiteness (Hunter) | L | a | b | Whiteness (Lab) |
81.19 | 81.11 | 84.71 | 71.79 | 90.06 | 3.31 | 7.28 | 87.25 |
Chemical compositions (wt%) | ||||||||
---|---|---|---|---|---|---|---|---|
SiO2 | Al2O3 | Fe2O3 | TiO2 | CaO | MgO | Na2O | K2O | Ig.loss |
80.35 | 13.36 | 0.41 | 0.02 | 0.09 | 0.06 | 0.12 | 3.38 | 2.06 |
Mineral compositions (wt%) | |||||
---|---|---|---|---|---|
Q : Quartz | M : Sericite | K : Kaolin mineral | F : Feldspar | C : Calcite | S : Siderite |
63.64 | 28.63 | 6.34 | 1.38 | 0.00 | 0.01 |
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)
| 2.40 | 1.96 | 76.95 | 76.27 | 76.78 | 65.07 | 87.33 | 4.45 | 9.01 | 83.83
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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) 54.6 | 8.69 | 1429 | 1437 | 1426 | 1576 | 26 | 65.58 | 67.14 | 74.26 | 62.93 | 81.94 | -0.53 | 3.62 | 81.57
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