ASTM E410 is the standard test method for determining moisture and residue in liquid chlorine. In many commercial liquid chlorine applications, contaminant concentrations are critical. This method quantifies specimen performance in inch-pounds.
ASTM E410 Standard Test Method for Moisture and Residue in Liquid Chlorine
What is ASTM E410?
What is the Scope of ASTM E410?
The ASTM E410 test technique determines the moisture and residual content of liquid chlorine.
- It measures moisture and non-volatile residue in liquid chlorine.
- It uses a gravimetric analysis (weighing materials before and after).
- This test method can be used to evaluate the moisture content of gaseous chlorine alone, provided acceptable changes to sample measurement and calculation are made.
- This test procedure covers how to collect liquid chlorine samples from cylinders and set up the appropriate equipment.
- Lower detection limits of 10 ppm (w/w) based on a 150-mL sample are conceivable.
ASTM E410 Testing Procedure and Requirements
The ASTM E410 standard outlines a procedure for measuring moisture and residue in liquid chlorine by volatilizing the sample through a closed absorption train. Final concentrations are determined by calculating the post-evaporation weight increases of the dried sample flask and moisture absorption tubes. The moisture content of a chlorine gas stream is gravimetrically determined by passing a metered sample through a moisture absorption device. When testing both residue and moisture at the same time, ASTM E410 suggests utilizing a shared chlorinated liquid sample. Anhydrous magnesium perchlorate is used as a desiccant to absorb moisture from the volatilized product (chlorine gas). After precise analytical weighing, the weight gain, measured as residue content of the sample, is utilized to assess how much residue remains in the flask.

ASTM E410 Results Analysis and Interpretation
According to ASTM E410, the percentage of moisture and residue is reported to the
nearest 0.001 % (10 ppm) using a typical 150 mL sample.
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