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This normal describes polyacrylamide (PAM) to be used within the remedy of potable water, wastewater, and reclaimed water. the aim of this general is to supply the minimal necessities for PAM items, together with actual, chemical, packaging, transport, and checking out necessities and to supply the technique of constructing specifications for PAM items

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Extra info for AWWA B453-13 Polyacrylamide

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1 mg) and record the weight. 4. Stir the water with the magnetic stirrer on a high speed to produce a vortex in the water, which is about two-thirds the height of the water. 5. 5 g of the emulsion-form PAM product to the vortex of the mixing water. 34 lb/gal) divided by the density of the PAM product as reported in the product’s literature. 5 by the specific gravity. Weigh the syringe after addition to determine the exact amount of emulsion polymer added (subtract from weight in step 3). 6. Continue to mix with the magnetic stirrer on the same high speed for 10 min.

3 Procedure. 1. 4 g of water (DI unless otherwise specified) into a 600-mL beaker. 2. Determine the weight of the aluminum weighing dish empty. 3. 60 g of the dry-form PAM product into the aluminum weighing dish. 4. Place the beaker containing the water and a PTFE-coated stirring bar on the magnetic stirrer. Copyright © 2013 American Water Works Association. All Rights Reserved. Polyacrylamide 23 5. Turn on the stirrer so that a strong vortex of approximately two-thirds the height of the water is produced.

Upon any significant change to the information in the product technical data sheet. 4. Upon any change in the product’s designation (product number, product trade name, supplier’s name change). Supplier need not provide product technical data sheets to users under Sec. 3, item 4, above, who have not ordered the product in the preceding 12 months. Sec. 4 Affidavit of Compliance or Certified Analysis The purchaser may require either (1) an affidavit from the manufacturer or supplier that the PAM product provided complies with applicable requirements of this standard or (2) a certified analysis of the PAM product at the time of delivery detailing the desired items.

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