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Certain features of Sigma-Aldrich.com will be down for maintenance the evening of Friday August 18th starting at 8:00 pm CDT until Saturday August 19th at 12:01 pm CDT.   Please note that you still have telephone and email access to our local offices. We apologize for any inconvenience.

Physical Analyses

This focus area relates to the physical composition of the sample using techniques such as filtration, weighing, and drying. Test names plus US EPA method references include Paint Filter Liquids (US EPA 9095), Solids, Dissolved (US EPA 160.1), Solids, Settleable (US EPA 160.5), Solids, Suspended (US EPA 160.2), Solids, Total (US EPA 160.3), and Turbidity (US EPA 180.1).