XRD, TGA and TMA Charts (No.182)
No. | Name | Sampling date | Vein or deposit | Mining place | Mining company | Sampling place | Grade or sort |
---|---|---|---|---|---|---|---|
182 | HFI1_13A | March 26,1981 | Fukami V. | Fukami | Hisatsune Tohseki | Dressing plant | First grade, special grade in other vein |
Colors of the milled samples | |||||||
---|---|---|---|---|---|---|---|
X | Y | Z | Whiteness (Hunter) | L | a | b | Whiteness (Lab) |
89.09 | 89.49 | 101.18 | 85.7 | 94.60 | 2.56 | 2.80 | 93.40 |
Chemical compositions (wt%) | ||||||||
---|---|---|---|---|---|---|---|---|
SiO2 | Al2O3 | Fe2O3 | TiO2 | CaO | MgO | Na2O | K2O | Ig.loss |
77.72 | 15.94 | 0.20 | 0.04 | 0.11 | 0.07 | 0.05 | 0.39 | 4.90 |
Mineral compositions (wt%) | |||||
---|---|---|---|---|---|
Q : Quartz | M : Sericite | K : Kaolin mineral | F : Feldspar | C : Calcite | S : Siderite |
57.73 | 11.30 | 30.28 | 0.66 | 0.00 | 0.03 |
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)
| 5.78 | 4.73 | 87.28 | 88.41 | 97.51 | 82.64 | 94.03 | 1.15 | 4.33 | 92.53
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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) 41.1 | 5.95 | 1599 | 1600 | 1599 | 1653 | 29+ | 71.66 | 73.22 | 85.09 | 72.11 | 85.57 | -0.26 | 0.94 | 85.54
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