Industrial Hygiene Surface Sampling Method Summary

Name(s) of Compound Digoxin
CAS # 20830-75-5
Method Report Number SBM090–R0
Analytical Method HPLC-UV
Swabbing Media CleanTips swabs, 2 Large Alpha swabs, cat. TX714A, TWTexwipe
Swabbing Solution Methanol:water (80:20, v/v)
Quantification Limit 150 ng/sample
Average Recovery from Counter Top – 90.4%
Stainless Steel – 89.6%
Concrete Floor – 47.5%
Storage Conditions At ambient temperature for least 2 days
At 2 – 8 °C or ~ -20 °C for at least 28 days
Shipping Requirements Ambient temperature
Date Issued 12/09/2004

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