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Jiangsu GPRO Group Nanjing Titanium Dioxide Chemical Co., Ltd.
Analysis Report
Type: NR950 Titanium Dioxide Rutile
Batch No.: 09030116
Analysis standard：Q/3201 NTH 03-2009（confirming to ISO591-1:2000）
Analysis result
Items 1st Class Standard Analysis
Titanium dioxide content
% (by weight),min. >= 90.0 90.0 92.7
Volatile component at 105℃
% (by weight), max. <= 1.0 1.0 0.2
Component soluble in water
% (by weight), max. <= 0.3 0.5 0.3
Residue on mesh(45μm)
% (by weight), max. <= 0.08 0.20 0.03
Colour（L*）
% , min. >= 95.0 93.0 96.0
Light scattering power
% , min. >= 100 90 110
Tint-reducing power
% , min. <= 1.5 1.5 1.5
PH of aqueous suspension range
6.5～8.0 6.0～8.5
7.2
Oil absorption value
g/100g , (by weight) , max.
<= 23 26 20
Resistivity of aqueous extraction
liquid，
Ω·m , % (by weight), min.
>= 50 50 94
Content of rutile
% , min. >= 98 97 98
Jiangsu GPRO Group Nanjing Titanium Dioxide Chemical Co., Ltd.
Analysis Report
Type: NR900 Titanium Dioxide Rutile
Batch No.: 08031236
Analysis standard：Q/3201 NTH 03-2009（confirming to ISO591-1:2000）
Analysis result
Items 1st Class Analysis
Titanium dioxide content
% (by weight),min. >= 97 97
Volatile component at 105℃
% (by weight), max. <= 0.5 0.2
Component soluble in water
% (by weight), max. <= 0.6 0.3
Residue on mesh(45μm)
% (by weight), max. <= 0.08 0.04
Colour（L*）
% , min. >= 95.0 96.0
Tint-reducing power
% , min. >= 100 100
PH of aqueous suspension range 6.0～8.0 7.1
Oil absorption value
g/100g , (by weight) , max. <= 23 20
Content of rutile
%, min. >= 98 98