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ASTM-D7511:2009 Edition

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D7511-09e1 Standard Test Method for Total Cyanide by Segmented Flow Injection Analysis, In-Line Ultraviolet Digestion and Amperometric Detection

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ASTM 2009 10
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1.1 This method is used for determining total cyanide in drinking and surface waters, as well as domestic and industrial wastes. Cyanide ion (CN ), hydrogen cyanide in water (HCN(aq)), and the cyano-complexes of zinc, copper, cadmium, mercury, nickel, silver, and iron may be determined by this method. Cyanide ions from Au(I), Co(III), Pd(II), and Ru(II) complexes are only partially determined.

1.2 The method detection limit (MDL) is 1.0 ? g/L cyanide and the minimum level (ML) is 3 ? g/L. The applicable range of the method is 3 to 500 ? g/L cyanide using a 200- ? L sample loop. Extend the range to analyze higher concentrations by sample dilution or changing the sample loop volume.

1.3 This method can be used by analysts experienced with equipment using segmented flow analysis (SFA) and flow injection analysis (FIA) or working under the close supervision of such qualified persons.

1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Note 2 and Section 9.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
Summary of Test Method
2 Significance and Use
Interferences
Apparatus
FIG. 1
3 Reagents and Materials
TABLE 1
4 Hazards
Sample and Sample Preservation
5 Elimination of Interferences
Calibration and Standardization
6 Procedure
Data Analysis and Calculations
Precision and Bias
Quality Assurance and Quality Control
FIG. 2
TABLE 2
TABLE 3
7 TABLE 4
TABLE 5
8 Keywords
X1. TOTAL CYANIDE DETERMINATION BY SEGMENTED FLOW INJECTION—ON-LINE UV DIGESTION WITH AMPEROMETRIC DETECTION
TABLE X1.1
9 TABLE X1.2
TABLE X1.3
TABLE X1.4
ASTM-D7511
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