ASTM-D3448 2005

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D3448-85(2005) Standard Test Method for Specific Aqueous Conductance of Trichlorotrifluoroethane

Published By	Publication Date	Number of Pages
ASTM	2005	4

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Categories: 71.080.20 - Halogenated hydrocarbons, ASTM

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Description

ASTM D3448-85-Reapproved2005

Historical Standard: Standard Test Method for Specific Aqueous Conductance of Trichlorotrifluoroethane

ASTM D3448

Scope

1.1 This test method covers the determination of aqueous conductivity due to ionizable contaminants extracted from trichlorotrifluoroethane. The value of 1.9 S/cm as maximum specific aqueous conductance corresponds to 0.1 ppm of chloride ion (100 ppb). It was calculated by putting the solvent specification of 0.1 ppm chloride into the equation of the subject method to find C2 C1 equals 19.08. The specific conductance due to contaminants from the solvent was then calculated as follows:

(C2- C1)C 3 = (19) (0.1) = 1.9 μS/cm

1.2 The above is exclusive of the background specific conductance of the water used in the analysis.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Section 6.

Keywords

aqueous conductance; conductance

ICS Code

ICS Number Code 71.080.20 (Halogenated hydrocarbons)

DOI: 10.1520/D3448-85R05

PDF Catalog

PDF Pages	PDF Title
1	Scope Summary of Test Method Significance and Use Apparatus Reagents
2	Safety Precautions Procedure FIG. 1
3	Calculation Precision and Bias Keywords
4	X1. CALIBRATION OF 52.4 PPB HCl/µS X1.1 X1.2 Calculations

Additional information

Standard Title	D3448-85(2005) Standard Test Method for Specific Aqueous Conductance of Trichlorotrifluoroethane
Published Code	ASTM
Publication Date	2005
Pages Count	4
ICS Codes	71.080.20 - Halogenated hydrocarbons