AWWA B501-19 Sodium Hydroxide (Caustic Soda).

Format:

Book

Author/Creator:

AWWA.

AWWA

Language:

English

Subjects (All):

Sodium hydroxide.

Water treatment plants.

Physical Description:

1 online resource (24 pages)

Edition:

1st ed.

Other Title:

AWWA B501-19 Sodium Hydroxide

Place of Publication:

Denver : American Water Works Association, 2019.

Summary:

This document is a technical standard published by the American Water Works Association (AWWA) detailing the specifications and requirements for sodium hydroxide (caustic soda) used in water treatment. It outlines the physical and chemical properties, impurity limits, testing procedures, and packaging guidelines for sodium hydroxide in various concentrations. The standard serves as a consensus guideline for manufacturers, users, and regulatory bodies, ensuring safe and effective use of the chemical in water purification processes. It also provides historical context, regulatory considerations, and guidelines for certification in compliance with NSF and ANSI standards. The intended audience includes engineers, water utility professionals, regulators, and chemical producers involved in water treatment operations. Generated by AI.

Contents:

Intro

Foreword

I. Introduction.

I.A. Background. Sodium hydroxide, NaOH (also known as caustic soda), is available in liquid form in two common concentrations: 50 percent NaOH and 73 percent NaOH. On special request, other solution concentrations, including 25 and 20 percent solutions,

I.B. History. The first edition of this standard for sodium hydroxide was prepared under the direction of the Water Purification Division of AWWA. The first edition was approved by the AWWA Board of Directors on July 1, 1949. On Oct. 15, 1951, the AWWA Bo

I.C. Acceptance. In May 1985, the US Environmental Protection Agency (USEPA) entered into a cooperative agreement with a consortium led by NSF International (NSF) to develop voluntary third-party consensus standards and a certification program for direct

II. Special Issues.

II.A. Safety. Sodium hydroxide is usually shipped in insulated tank cars or tank trucks and should arrive at the receiving point in liquid form. Depending on geographical location, tank cars are usually equipped with coils for steam heating. When unloadin

III. Use of This Standard. It is the responsibility of the user of an AWWA standard to determine that the products described in that standard are suitable for use in the particular application being considered.

III.A. Purchaser Options and Alternatives. The following information should be provided by the purchaser:

III.B. Modification to Standard. Any modification to the provisions, definitions, or terminology in this standard must be provided by the purchaser.

IV. Major Revisions. Major revisions made to the standard in this edition include the following:.

V. Comments. If you have any comments or questions about this standard, please call AWWA Engineering and Technical Services at 303.794.7711, FAX at 303.795.7603, write to the department at 6666 West Quincy Avenue, Denver, CO 80235-3098, or email at standa

AWWA Standard

SECTION 1: GENERAL

Sec. 1.1 Scope

Sec. 1.2 Purpose

Sec. 1.3 Application

SECTION 2: REFERENCES

SECTION 3: DEFINITIONS

SECTION 4: REQUIREMENTS

Sec. 4.1 Physical Requirements

Sec. 4.2 Chemical Requirements

Sec. 4.3 Impurities

SECTION 5: VERIFICATION

Sec. 5.1 Sampling

Sec. 5.2 Test Procedures

Sec. 5.3 Alkali (Na2O)

Sec. 5.4 Hydroxide

Sec. 5.5 Sodium Carbonate

SECTION 6: DELIVERY

Sec. 6.1 Marking.

Notes:

Description based on publisher supplied metadata and other sources.

Part of the metadata in this record was created by AI, based on the text of the resource.

ISBN:

9781613005316

1613005318

OCLC:

1129161949