Items in cart [0] Questions? Call 888-624-8373

PAPERBACK list:$23.00 Web:$20.70 add to cart PDF BOOK your price: $18.00 add to cart Rights & Permissions Free Resources Display this book on your site! Related Titles Drinking Water Distribution Systems: Assessing and Reducing Risks Drinking Water and Health, Volume 2 Other Related Titles Water Chemicals Codex (1982) Institute of Medicine (IOM) Web Search Builder Use this book's key terms to search within this book, across our collection, or across the Web. Skim This Chapter Skim this chapter and use this chapter's key terms to search within this book. Reference Finder Paste in your own text to find books that relate to your topic. Page 61   E-mail  Facebook  Digg  Stumble  Twitter More Page 61 Front Matter (R1-R10) Findings and Recommendations (1-1) Description of the Codex (2-8) Aluminum Sulfate, Alum (9-10) Ammonia, Anhydrous (11-11) Ammonium Hydroxide, Aqua Ammonia (12-12) Ammonium Sulfate (13-14) Calcium Hydroxide, Slaked Lime (15-17) Calcium Hypochlorite (18-19) Calcium Oxide (Lime, Quicklime) (20-22) Carbon, Activated, Granular (23-24) Carbon, Activated, Powdered (25-26) Carbon Dioxide (27-27) Chlorine (28-29) Ferric Chloride (30-31) Ferric Sulfate (32-33) Ferrous Sulfate (34-35) Fluosilicic Acid, Hydrofluosilicic Acid (36-37) Potassium Permanganate (38-39) Sodium Aluminate (40-41) Sodium Carbonate, Soda Ash (42-43) Sodium Chlorite (44-45) Sodium Fluoride (46-46) Sodium Hydroxide, Caustic Soda (47-48) Sodium Metabisulfite, Sodium Pyrosulfate (49-50) Sodium Polyphosphate, Glassy (51-52) Sodium Silicofluoride, Sodium Fluosilicate (53-54) Sulfur Dioxide (55-56) Activated Alumina (57-58) Bentonite-Type Clay (59-59) Sodium Bicarbonate (60-60) Sodium Calcium Magnesium Polyphosphate, Glassy (61-62) Sodium Silicate, activated Silica (63-63) Sodium Tripolyphosphate (64-65) Sodium Zinc Polyphosphate, Glassy (66-67) Sodium Zinc Potassium Polyphosphate, Glassy (68-69) Sulfuric Acid (Oil of Vitriol) (70-71) Tetrasodium Pyrophosphate (72-73)

Below are the first 10 and last 10 pages of uncorrected machine-read text (when available) of this chapter, followed by the top 30 algorithmically extracted key phrases from the chapter as a whole.
Intended to provide our own search engines and external engines with highly rich, chapter-representative searchable text on the opening pages of each chapter. Because it is UNCORRECTED material, please consider the following text as a useful but insufficient proxy for the authoritative book pages.

Do not use for reproduction, copying, pasting, or reading; exclusively for search engines.

OCR for page 61
61 NAS/CWTC 0 3 2-82 Name: SODIUM CALCIUM MAGNESIUM POLYPHOSPHATE, GLASSY CAS No.: 65997-17-3 Formula Weight: Unknown Chemical Formula: (MPO3) n M2O Where M = Na, 1/2 Ca, 1/2 Mg n = P2O5 = 66-70% Description: White to colorless plates, granules or powder. Use: 5 Corrosion inhibitor, stabilizer for dissolved copper, iron, and magnesium and as a threshold scale inhibitor. Purity Requirements: Analyses of available grades of sodium calcium magnesium polyphosphate (glassy) show the presence of cadmium and lead, but at levels far below that which would necessitate RMIC values based on a maximum dosage of 15 mg/liter. If analyses are desired, the following protocol is recom- mended. Bulk Sample Collection: Sample in accordance with Standard for Sodium Tripoly- phosphate, AWWA B503-78, American Water Works Associa- tion, Denver, Colorado (1978).

OCR for page 62
62 Analytical Sample Preparation: Weigh out 2.5 g of sodium calcium magnesium polyphosphate. In a 150-ml acid-washed beaker, dissolve the sample in 100 ml of deionized distilled water. Under a hood, acidify the solution with concentrated HNC3 to a pH of less than 2. Gently heat the solution to reduce the volume below 100 ml, making certain that it does not boil. Quantita- tively transfer to a 100-ml acid-washed volumetric flask and make to volume with deionized distilled water. Pro- cess a reagent blank by the same procedure. Sample Analyses: The analyses are to be performed on the sodium calcium magnesium polyphosphate solution in accordance with: Standard Methods for the Examination of Water and Waste- water, 15th Edition, American Public Health Association, Washington, D.C. (1981). Cadmium Lead Section 304 Section 304

Representative terms from entire chapter:

calcium magnesium