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BENZOIN COA
Certificate of Analysis of Benzoin Gum Sumatra
The following information has been adopted from the original copy
of Technical Data.
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Optical
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+0.80
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+0.79
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Index Bias
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1.4021
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1.4022
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Solubility Alcohol 95% (%)
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89.88
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89.85
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Saponification Number
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163.42
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166.83
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Acid Number
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81.28
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81.56
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Benzoic Acid Ester
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82.14
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85.27
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Cinamic Acid (%)
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0.26
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0.30
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Benzoic Acid (%)
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31.93
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44.33
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