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                                            Description
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                                            A white or pale yellow powder or crystals
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                                            Identifications
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                                            -
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                                            Identification  'A'
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                                            Passes test
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                                            Identification  'B'
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                                            Passes test
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                                            Identification 'C'
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                                            Passes test
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                                            Identification 'D'
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                                            Passes test
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                                            Alkalinity
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                                            Not more than 0.5 ml of 0.1 M hydrochloric acid is required to change the colour of the solution.
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                                            Non-esterified alcohols
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                                            NMT 4.0 %
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                                            Sodium chloride and Sodium sulphate
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                                            NMT a total of 8.0%
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                                            Assay (as C12H25NaO4S)
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                                            NLT 85.0%
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