STB 17.13.05-49-2021
Еnvironmental pгоtесtion аnd nature use. Sampling and measurements, monitoring. Water quality. Determination of the mass concentration of nitrogen-containing substances using photometric tests

Standard No.

STB 17.13.05-49-2021

Release Date

2021

Published By

BELST

Latest

STB 17.13.05-49-2021

STB 17.13.05-49-2021 history

• 2021 STB 17.13.05-49-2021 Еnvironmental pгоtесtion аnd nature use. Sampling and measurements, monitoring. Water quality. Determination of the mass concentration of nitrogen-containing substances using photometric tests