AASHTO R 23-1999 Standard Practice for Chemical Biological and Physical Analysis of Water《水的化学 生物和物理分析》.pdf
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1、Standard Practice for Chemical, Biological, and Physical Analysis of Water AASHTO Designation: R 23-99 (2013) American Association of State Highway and Transportation Officials 444 North Capitol Street N.W., Suite 249 Washington, D.C. 20001 TS-5b R 23-1 AASHTO Standard Practice for Chemical, Biologi
2、cal, and Physical Analysis of Water AASHTO Designation: R 23-99 (2013) 1. SCOPE 1.1. This standard practice provides a listing of various parameters used in the analysis of natural waters and wastewaters. The analysis of these waters is becoming an increasing area of concern for environmental reason
3、s. The passage of laws governing the usage of our natural waterways and limiting the discharges into these waterways, along with an increased public awareness, have caused a much greater demand for this information. To ensure that these data are accurate and reliable, it is essential that testing be
4、 conducted using standard procedures that are known to have reproducible results. The test methods given for the following parameters are from referenced sources that are used by most transportation departments testing water. They are listed in order of most frequently used parameters to those param
5、eters rarely used. 1.2. The values stated in SI units are to be regarded as the standard. 2. METHOD OF DESIGNATION 2.1. Each parameter listed contains one or more test methods for the analysis of that parameter. When more than one procedure is listed, the choice is left to the individual laboratory.
6、 These alternate methods generally give comparable results and are intended to provide flexibility to the analyst for parameters for which test methods are used fairly equally. 3. TEST METHOD REFERENCE 3.1. Standard Methods for the Examination of Water and Wastewater, current edition, published join
7、tly by American Public Health Association, Washington, DC; American Water Works Association, Denver, CO; and Water Environment Federation, Alexandria, VA. 3.2. Manual of Methods for Chemical Analysis of Water and Waste, current edition, published by U.S. Environmental Protection Agency, Office of Te
8、chnology Transfer, Washington, DC 20460. 3.3. American Society for Testing and Materials, Volumes 11.01 Water (I) and 11.02 Water (II), current editions, published by ASTM, West Conshohocken, PA. 4. HYDROGEN ION CONCENTRATION 4.1. pH Value by Electrometric Method, Method 4500 H, Reference 3.1. 5. EL
9、ECTRICAL CONDUCTIVITY 5.1. Micro MHOS at 25C, Method 2510 B, Reference 3.1. 2016 by the American Association of State Highway and Transportation Officials. All rights reserved. Duplication is a violation of applicable law.TS-5b R 23-2 AASHTO 6. ALKALINITY 6.1. Electrometric Method or Color Change Ti
10、tration, Method 2320 B, Reference 3.1. 7. HARDNESS 7.1. EDTA Titrimetric, Method 2340 C, Reference 3.1. 7.2. Hardness by Calculation, Method 2340 B, Reference 3.1. 8. TURBIDITY 8.1. Nephlometric Method, Method 2130 B, Reference 3.1. 9. BIOCHEMICAL OXYGEN DEMAND 9.1. Five days at 20C, Method 5210 B,
11、Reference 3.1. 10. TOTAL NONFILTRABLE RESIDUE 10.1. Dried at 103 to 105C, Method 2540 D, Reference 3.1. 11. TEMPERATURE 11.1. Method 2550 B, Reference 3.1. 12. DISSOLVED OXYGEN 12.1. Modified Winkler with Full Bottle Titration, Storet No. 00300, Reference 3.2. 12.2. Electrode Method, Method 4500-O G
12、, Reference 3.1. 13. TOTAL RESIDUE IN WATER 13.1. Dried at 103 to 105C, Method 2540 B, Reference 3.1. 14. CALCIUM 14.1. Atomic Absorption, Method 3500-Ca B, Reference 3.1. 15. POTASSIUM 15.1. Flame Photometric Method, Method 3500-K B, Reference 3.1. 2016 by the American Association of State Highway
13、and Transportation Officials. All rights reserved. Duplication is a violation of applicable law.TS-5b R 23-3 AASHTO 16. ZINC 16.1. Atomic Absorption Method, Method 3500-Zn B, Reference 3.1. 17. TOTAL FILTRABLE RESIDUE 17.1. Dried at 103 to 105C, Method 2540 D, Reference 3.1. 18. SULFATE 18.1. Gravim
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