ASTM International

Standard Test Methods for Nitrite-Nitrate in Water
 N D3867

Annotation

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 methods2 are given as follows:

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.

The values stated in either SI or inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

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.

2 Methods similar to these appear in Methods of Chemical Analysis of Water and Wastes, 2nd edition, U.S. Environmental Protection Agency.

*A Summary of Changes section appears at the end of this standard.

Автоматический перевод:

Стандартные методы испытаний для нитрата нитрита в воде

Эти методы тестирования покрывают определение азота нитрита, азота нитрата и объединенного азота нитрата нитрита в воде и сточных водах в диапазоне от 0.05 до 1.0 mg/L азотов. Два тестируют methods2, даны следующим образом: