XRD, TGA and TMA Charts (No.203)

No.NameSampling dateVein or depositMining placeMining companySampling placeGrade or sort
203HTOSA04AJune 11,1981Kaigan V.OhsakoHarada TohsekiCenter / rightLowest grade ?, Shima (stripes) & Albite

Colors of the milled samples
XYZWhiteness (Hunter)LabWhiteness (Lab)
57.0555.0037.6031.8674.167.5321.8565.33

Chemical compositions (wt%)
SiO2Al2O3Fe2O3TiO2CaOMgONa2OK2OIg.loss
75.8514.531.460.050.060.104.072.301.32


Mineral compositions (wt%)
Q : QuartzM : SericiteK : Kaolin mineralF : FeldsparC : CalciteS : Siderite
40.2318.850.8739.760.290.00


Results of TGA and Colors of the Powder Samples after Measuring
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%)XYZWhiteness (Hunter)LabWhiteness (Lab)
1.831.1447.8742.2625.7121.7965.0117.6822.0655.02


Results of TMA and Colors of the Sintered Samples after Measuring
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)
SKXYZW
(Hunter)
LabW
(Lab)
53.08.8312491259125013781333.3630.7921.2117.9755.4910.2116.1851.55
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