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Question/Answer

Will freezing the Standard effect the recovery of the Standard

The storage conditions for this standard are listed as ambient conditions. Refrigerated or frozen conditions can cause the target analytes to fall out of solution. If particulate is observed in the tube, allow it to warm to room temperature and wait for all particulate matter to redissolve.

When I prepare the standard using an amber sample jar, should I adjust the final result by the total volume of water in the jar?

If you adjust the final result by the amount of water in the jar you should also adjust the true value by the amount of water in the jar. Either way will yield the same final percent recovery.

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