Standard Test Methods for Nitrite-Nitrate in Water
Standard Test Methods for Nitrite-Nitrate in WaterD3867-04ASTM|D3867-04|en-USStandard Test Methods for Nitrite-Nitrate in WaterStandardD3867 Standard Test Methods for Nitrite-Nitrate in Water>newBOS Vol. 11.01 Committee D19
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Significance and Use
Both test methods use identical reagents and sample processing. The only difference between the two methods is that one test method is automated and the other is manual. The ranges and interferences are identical.
The automated test method is preferred when large numbers of samples are to be analyzed. The manual test method is used for fewer samples or when automated instrumentation is not available.
These test methods replace Test Methods D 1254 (Nitrite) and D 992 (Nitrate). The nitrite test method (Test Method D 1254) used a reagent that is considered to be a potential carcinogen. The nitrate test method (Test Method D 992) has been shown to have relatively large errors when used in wastewaters and also has greater manipulative difficulties than the test method described herein.
Scope
1.1 These test methods cover the determination of nitrite nitrogen, nitrate nitrogen, and combined nitrite-nitrate nitrogen in water and wastewater in the range from 0.05 to 1.0 mg/L nitrogen. Two test methods are given as follows:
Sections
Test Method A-Automated Cadmium Reduction
9 to 16
Test Method B-Manual Cadmium Reduction
17 to 24
1.2 These test methods are applicable to surface, saline, waste, and ground waters. It is the user's responsibility to ensure the validity of these test methods for waters of untested matrices.
1.3 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. For specific hazard statements, see Note 1 and Note 2.
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