AWWA B404 2022

$76.92

AWWA B404-22 Liquid Sodium Silicate

Published By	Publication Date	Number of Pages
AWWA	2022

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Category: AWWA

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Description

The purpose of this standard is to provide the minimum requirements for liquid sodium silicate, including physical, chemical, sampling, testing, packaging, and shipping requirements.

PDF Catalog

PDF Pages	PDF Title
7	Foreword I. Introduction. I.A. Background. Sodium silicate solutions have application in the water treatment industry as an ingredient of activated silica coagulant aids, for the control of corrosion, and as a stabilizing agent for iron and manganese. I.B. History. The first edition of this standard for liquid sodium silicate was prepared under the direction of the AWWA Water Purification Division. The standard was approved by the Executive Committee of the Water Purification Division and by the Water 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
9	II. Special Issues. II.A. Discussion. Liquid sodium silicate is generally shipped in metal drums, tank trucks, or railroad tank cars. Most grades are fluid enough at room temperature and above to be purged easily. These liquids should be stored in closed, vented tanks. Stora II.B. Safety. Sodium silicate solutions are moderately to strongly alkaline. They are not explosive or flammable, and corrosion-control silica products are not classified as hazardous. Some of the other more alkaline solutions are considered hazardous in
10	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 of 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:
11	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
13	AWWA Standard SECTION 1: GENERAL Sec. 1.1 Scope Sec. 1.2 Purpose Sec. 1.3 Application
14	SECTION 2: REFERENCES SECTION 3: DEFINITIONS
15	SECTION 4: REQUIREMENTS
16	SECTION 5: VERIFICATION
25	SECTION 6: DELIVERY