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ASTM-D4519:1999 Edition

ASTM-D4519:1999 Edition

$40.63

D4519-94(1999)e1 Standard Test Method for On-Line Determination of Anions and Carbon Dioxide in High Purity Water by Cation Exchange and Degassed Cation Conductivity

Published By Publication Date Number of Pages
ASTM 1999 9
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ASTM D4519-94-e1-Reapproved1999

Historical Standard: Standard Test Method for On-Line Determination of Anions and Carbon Dioxide in High Purity Water by Cation Exchange and Degassed Cation Conductivity

ASTM D4519

Scope

1.1 This on-line test method includes hydrogen exchange and degassing by boiling and provides means for determining anions (such as Cl , SO 4– , NO3 , and F ) at levels as low as 2 [mu]g/L (2 ppb) and carbon dioxide at the level of 0.01 to 10 mg/L (ppm) at 25°C in high purity water and steam condensate by measuring electrical conductivity.

1.2 The conductivity of all anions (except OH ) is determined and not the conductivity of an individual anion if more than one is present. If only one anion is present (such as Cl or SO4 — ), reference to Tables 1 and 2 or Figs. 1 through 3 provides the chloride or sulfate and CO concentration.

1.3 This test method has been improved in accuracy by using a modern microprocessor instrument for conductivity and temperature measurement and appropriate temperature compensation algorithms for compensation to 25°C.

1.4 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 establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Keywords

Anion electrical conductivity; Carbon dioxide; Cation conductivity; Degassed cation conductivity; electrical conductivity; High purity water; Reboiled conductivity

ICS Code

ICS Number Code 17.220.20 (Measurement of electrical and magnetic quantities)

DOI: 10.1520/D4519-94R99E01

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