Determination of Hydrazine in Wastewater

Hydrazine is widely used as an anticorrosive agent in thermal engineering. While protecting and inactivating equipment, a large amount of wastewater is generated after chemical cleanings with a high concentration of hydrazine (approximately 100 mg/dm3). Since it is a highly toxic substance of hazard class II, the discharge of such water directly into the sewer head and into natural reservoirs is prohibited.

The maximum allowable concentration of hydrazine in domestic water is 0.01 mg/dm3 and for fish ponds 0.00025 mg/dm3. The amount of hydrazine in wastewater should be reduced to the required levels before discharge. In order to determine these situations, “Hydrazine Determination” is carried out in wastewater beforehand. With this analysis process, the amount of hydrazine in the waters can be determined and the discharge process can be started after the necessary neutralization process.

ASTM D1385: Standard Test Method for Hydrazine in Water

Determination of Hydrazine in Wastewater is carried out in the accredited and authorized Nanolab Environmental Analysis Laboratory.

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