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Standard substance for n-hexane solution,20000μg/mL matrix: methanol U=0.5%, 2ml
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Standard substance for n-hexane solution,2000μg/mL matrix: methanol U=2%, 2ml
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Standard substance for n-hexane solution,50μg/mL matrix: methanol U=5%, 2ml
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Tannic acid solution,10mg/mL, for pharmacopoeia use only, 100ml
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Tannic acid solution,10mg/mL, for pharmacopoeia use only, 250ml
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Tannic acid standard solution,2mg/mL in H2O，U=3%, 100ml
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Tannic acid standard solution,2mg/mL in H2O，U=3%, 250ml
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Tannic acid standard solution,5mg/mL in H2O，U=5%, 100ml
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Tannic acid standard solution,5mg/mL in H2O，U=5%, 250ml
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Tannic acid standard solution,10mg/mL, 3% NaOH, U=3%, 50ml
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Tannic acid standard solution,10mg/mL, 3% NaOH, U=3%, 100ml
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