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ASTM E 291 : 2018

Current
Current

The latest, up-to-date edition.

Standard Test Methods for Chemical Analysis of Caustic Soda and Caustic Potash (Sodium Hydroxide and Potassium Hydroxide)
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

02-22-2019

These test methods cover only the analyses usually required on the following commercial products Caustic soda (sodium hydroxide), 50 and 73 % liquors; anhydrous (solid, flake, ground, or powdered), and Caustic potash (potassium hydroxide), 45 % liquor; anhydrous (solid, flake, ground, or powdered).

1.1These test methods cover only the analyses usually required on the following commercial products:

1.1.1Caustic soda (sodium hydroxide), 50 and 73 % liquors; anhydrous (solid, flake, ground, or powdered), and

1.1.2Caustic potash (potassium hydroxide), 45 % liquor; anhydrous (solid, flake, ground, or powdered).

1.2The analytical procedures appear in the following order:

Alkalinity (Total), Titrimetric (for 50 to 100 %
 NaOH and 45 to 100 % KOH)

3 to 4

Carbonate, Gas-Volumetric (0.001 g CO2, min)

4 to 7

Carbonate, Gravimetric (0.001 g CO2, min)

7 to 10

Chloride, Titrimetric, (0.001 g Cl, min)

10 to 11

Chloride, Potentiometric Titration (0.3 to 1.2 %)

11 to 12

Chloride, Ion Selective Electrode (0.6 to 120 μg/g)

12 to 13

Iron, Photometric (0.005 mg Fe, min)

13 to 15

Sulfate, Gravimetric, (0.002 g SO3, min)

15 to 16

Keywords

16

1.3Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard with the exception of inch-pound units for apparatus descriptions.

1.4In determining the conformance of the test results using this method to applicable specifications, results shall be rounded off in accordance with the rounding-off method of Practice E29.

1.5Review the current Safety Data Sheet (SDS) for detailed information concerning toxicity, first-aid procedures, handling, and safety precautions.

1.6This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Section 6.

1.7This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Committee
D 16
DocumentType
Test Method
Pages
16
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

ASTM D 6809 : 2002 : R2016 Standard Guide for Quality Control and Quality Assurance Procedures for Aromatic Hydrocarbons and Related Materials
ASTM D 6809 : 2020 Standard Guide for Quality Control and Quality Assurance Procedures for Aromatic Hydrocarbons and Related Materials
ASTM E 29 : 2013 : R2019 Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
ASTM E 29 : 2002 Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
ASTM D 1193 : 1977 : R1983 : EDT 1 Standard Specification for Reagent Water
ASTM E 691 : 2020 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ASTM E 691 : 2019 : EDT 1 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ASTM E 60 : 2011 : R2016 Standard Practice for Analysis of Metals, Ores, and Related Materials by Spectrophotometry
ASTM E 691 : 2023 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ASTM D 1193 : 2006 : R2011 Standard Specification for Reagent Water
ASTM D 6809 : 2002 : R2012 Standard Guide for Quality Control and Quality Assurance Procedures for Aromatic Hydrocarbons and Related Materials
ASTM E 200 : 2016 Standard Practice for Preparation, Standardization, and Storage of Standard and Reagent Solutions for Chemical Analysis
ASTM E 691 : 2022 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ASTM E 691 : 2009 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ASTM D 1193 : 1991 Standard Specification for Reagent Water
ASTM E 200 : 2023 Standard Practice for Preparation, Standardization, and Storage of Standard and Reagent Solutions for Chemical Analysis
ASTM E 691 : 2021 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ASTM D 6809 : 2002 Standard Guide for Quality Control and Quality Assurance Procedures for Aromatic Hydrocarbons and Related Materials
ASTM E 60 : 2011 : R2022 : EDT 1 Standard Practice for Analysis of Metals, Ores, and Related Materials by Spectrophotometry
ASTM D 1193 : 1970 Standard Specification For Reagent Water
ASTM D 1193 : 2006 Standard Specification for Reagent Water
ASTM D 1193 : 1999 Standard Specification for Reagent Water
ASTM D 6809 : 2002 : R2007 Standard Guide for Quality Control and Quality Assurance Procedures for Aromatic Hydrocarbons and Related Materials
ASTM D 1193 : 2006 : R2018 Standard Specification for Reagent Water
ASTM E 29 : 2022 Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

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