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| Appearance (Colour) |
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| Appearance (Form) |
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| Identification (IR Spectrum) |
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| Assay (NT) |
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| Loss on drying |
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| Acidity |
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| Heavy Metals (Pb) |
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| Sulphate (SO4) |
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| Solubility (Turbidity) 1% aq. solution |
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| Solubility (Colour) 1% aq. solution |
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| Solubility Test (H2O: soluble 18.7 g/L at 16 °C) |
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Chemical Name: Caffeine anhydrous for LC-MS
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