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Leonurine,98%, 250mg
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Leonurine,98%, 1g
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Methyl orange,4g/L aqueous solution, 500ml
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Methyl orange,1g/L ethylene glycol solution, 250ml
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Methyl orange,4g/L ethylene glycol solution, 250ml
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Methyl orange,4g/L aqueous solution, 100ml
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Ethyl Methyl Carbonate,Standard for GC, ≥99.5% (GC), 5ml
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Two-component reagent for volumetric Karl Fischer titration(pyridine-containing titrating agent),A+B, 5-6mg water/ml, (A液500ml+B液500ml)/EA
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Two-component reagent for volumetric Karl Fischer titration(pyridine-containing titrating agent),A+B, 3-4mg water/ml, (A液500ml+B液500ml)/EA
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Verbascoside,98%, 25mg
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Verbascoside,98%, 100mg
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