Turbidity

-Determination of Turbidity by Nephelometry (EPA 180.1)

Scope:

This method is applicable to drinking, surface, and saline waters in the range of turbidity from 0 to 40 nephelometric turbidity units (NTU). Higher values may be obtained with dilution of the sample.

The method is based upon a comparison of the intensity of light scattered by the sample under defined conditions with the intensity of light scattered by a standard reference suspension. The higher the intensity of scattered light, the higher the turbidity. Readings, in NTU’s, are made in a nephelometer designed according to specifications outlined in the method. A standard suspension (i.e., formazin, AMCO-AEPA-1, or Hach Stablcal) is used to calibrate the instrument.

-Methods for the Determination of Inorganic Substances in Environmental Samples (EPA/600/R-93/100)

 

Method Data

Method 180.1
Hold Time
Preservation
Sample Volume
Instrumentation
Method Refernce

Analyte List

AnalyteFormulaCAS Number
Turbidity

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