Transferring Neat Material From a Vial

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How to transfer neat material from a vial
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Your product might not be easily visible inside the vial...it is there
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Small amounts of powder often are spread over the surface and cap of the vial
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Wipe the outside of the vial containing the standard
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Gently tap the bottom of the vial to ensure no material remains in the cap
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Tare the analytical balance and weigh the vial with the cap
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When constant mass is reached record the value
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Here is the initial value
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Using a pipette, carefully rinse the vial with a suitable solvent
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If needed, rinse the cap of the vial as well
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Using another pipette, transfer the contents into a volumetric flask
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Rinse and transfer the vial contents at least 3 times to ensure a complete transfer
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Add more solvent to bring the volumetric flask to final volume
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Allow the vial and cap to dry
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Inert gas can also be used for drying
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Tare the analytical balance and weigh the empty vial and cap
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When constant mass is reached record the value
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Here's the empty vial value
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Calculate the amount of material recovered
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Take the initial value, subtract the empty vial value, and you have the total amount recovered
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For more information visit our website at www.accustandard.com
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or you can reach technical service by emailing techservice@accustandard.com