Water validation discussion

GOOD DOCUMENTATION PRACTICE (GDocP) PQ (PERFORMANCE QUALIFICATION)
1

Hi,

I having some issues with my water validation where the water keep showing nitrate appear in my chemical test result.

What might be wrong and what cause this happen?

Anyone know, please advice me how to solve the problem.

Thanks
Lee

2

Dear rushden4362,

please explain a bit how your water system is designed. Nitrates appear usually in water systems that use ozone as sanitizer, because a by-product of the ozone generation are nitrogen oxides which react with water to nitric acid.

Best regards

Alfred

3

[quote=rushden4362]Hi,

I having some issues with my water validation where the water keep showing nitrate appear in my chemical test result.

What might be wrong and what cause this happen?

Anyone know, please advice me how to solve the problem.

Thanks
Lee[/quote]

To answer your question, please explain how your water system is designed. How the water proses from raw water until purified water?
Do you use Kation-anion-mix bed and RO system?