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Analysis Report

Chemical Analysis of Muscovite ( lump sample ) of Modi International by combined Wet Chemical Method and Atomic Absorption Spectrophotometry ( Model No. ICE- 3300 AA, USA ) done by B.P Gupta & Sons, Analytical and Consulting Chemists, Kolkata, Contents are in Wt %.

Chemical Composition

SiO

48.72

Al₂O

23.93

TiO

0.01

FeO

6.01

FeO

0.80

MnO

0.03

CaO

2.54

MgO

0.47

KO

8.91

NaO

3.42

PO

0.002

HO (F)

0.44

HO (C)

0.39

   
Phusical Composition (Approx)
Specific Gravity 2.82
Refraction Index 1.58
Hardness (Moh's Scale) 2.5
pH Value (B.S. 3483) 7.7
pH for Distilled Water 4.2
Oil Absorption(B.S.3483) 60 - 75Gms/Oil
100
Gms Mica
Water Soluble (B.S. 1795) Less than 0.3%
Brightness (Ngo) 81 - 85%
Effect by Common Acids Slight
Phericity Factor 0.01
Softening Point 2800o F
Bulk Density (Gms/CC) 0.17 - 0.29
Aspect Ratio 20 - 40

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