CHEMICAL ANALYSIS OF WATER AND WASTEWATER

Ngày tải lên: 23/07/2013, 20:57

... 80 x and 11 800 x MDL were low (35% and 45%, respectively). 15.3 This method was tested by 16 laboratories using reagent water, drinking water, surface water, and three industrial wastewaters ... FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER METHOD 610—POLYNUCLEAR AROMATIC HYDROCARBONS 1. Scope and Application 1.1 This method covers the determinati...

Ngày tải lên: 14/02/2014, 03:20

... FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER METHOD 603—ACROLEIN AND ACRYLONITRILE 1. Scope and Application 1.1 This method covers the determination of acrolein and acrylonitrile. ... must be maintained. After the analysis of five spiked wastewater samples as in Section 8.3, calculate the average percent recovery ( ) and the standard deviation...

Ngày tải lên: 14/02/2014, 03:20

... “Semi-Automated Headspace Analysis of Drinking Waters and Industrial Waters for Purgeable Volatile Organic Compounds,” Measurement of Organic Pollutants in Water and Wastewater, C.E. Van Hall, editor, American ... 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER METHOD 624—PURGEABLES 1. Scope and Application 1.1 This method covers the d...

Ngày tải lên: 05/03/2014, 21:20

... the complexity of the sample matrix, and the performance of the laboratory. 8.4.1 Prepare the QC check standard by adding 1.0 mL of QC check sample concentrate (Section 8.2.1 or 8.3.2) to 1 L of reagent water. ... must be maintained. After the analysis of five spiked wastewater samples as in Section 8.3, calculate the average percent recovery ( ) and the standard deviation...

Ngày tải lên: 05/03/2014, 21:20

... concentration of C, in µg/L.

Ngày tải lên: 14/03/2014, 20:20

... complexity of the sample matrix, and the performance of the laboratory. 8.4.1 Prepare the QC check standard by adding 1.0 m/L of QC check sample concentrate (Section 8.2.1 or 8.3.2) to 1 L of reagent water. ... must be maintained. After the analysis of five spiked wastewater samples as in Section 8.3, calculate the average percent recovery ( ) and the standard deviation of...

Ngày tải lên: 14/03/2014, 20:20

... complexity of the sample matrix, and the performance of the laboratory. 8.4.1 Prepare the QC check standard by adding 1.0 mL of QC check sample concentrate (Section 8.2.1 or 8.3.2) to 1 L of reagent water. ... must be maintained. After the analysis of five spiked wastewater samples as in Section 8.3, calculate the average percent recovery ( ) and the standard deviation of...

Ngày tải lên: 22/03/2014, 14:20

... proper chemical name is 2,2'-oxybis(1-chloropropane). a APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER METHOD 625—BASE/NEUTRALS AND ACIDS 1. ... volume of 1 L. When sample volumes of 2 L are to be extracted, use 250 mL, 100 mL, and 100 mL volumes of methylene chloride for the serial extraction of the base/neutra...

Ngày tải lên: 28/03/2014, 19:20

... check standard must be prepared and analyzed. NOTE: The frequency for the required analysis of a QC check standard will depend upon the complexity of the sample matrix and the performance of the ... purposes. 8.5 As part of the QC program for the laboratory, method accuracy for wastewater samples must be assessed and records must be maintained. After the analysis of five...

Ngày tải lên: 28/03/2014, 20:20