CHEMICAL AND PHYSICAL PROPERTIES
Identification : Positive for (A) Mg. (B) Si.  
Ph : 9.36 to 9.37. ( 7.0 to 10.8)
Loss on drying ( 105 C, 2 hour ) : 2.88% (NMT 15 %)
Loss on ignition : 13.42 % (NMT 15 %)
Soluble Salts : 45 mg (NMT 75 mg)
Flouride : Complies USP test  
Free Alkali : 1.7 ml (NMT 2.5 ml 0.1 NHCL)
Lead : 4 ppm (NMT 10 ppm)
Ratio of SiO2 to MgO : 3.03 (Between 2.5 to 4.50)
Heavy Metals : 12 ppm (NMT 20 ppm)
Organic Volatile Impurities : Passes USP test  
Assay      
MgO : 22.26 % ( NLT 15%)
SiO2 : 67.50 % (NLT 67 %)
Report : The sample complies with the given specification and shows the above results.
 
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