How do I clean my lab glass ware and pour-thru cell for the ULR method 8282?

Document ID

Document ID TE801

Published Date

Published Date 27/05/2017
Question
How do I clean my lab glass ware and pour-thru cell for the ULR method 8282?
Summary
Cleaning the pour thru cell for ULR silica testing
Answer
The methods 8282 have specific recommendations for maintenance of the lab ware and cleaning the pour-thru cell.
Lab ware cleaning:
-Use plastic containers
-Clean containers with phosphate free detergent, then rinse with high quality DI water.
-Soak for 10 minutes in 1:50 dilution of molybdate 3 reagent in low level silica water.

Keep containers tightly closed when not in use and rinse the lab ware repeatedly with either low-level silica water or the sample before use.

Pour-Thru cleaning:
-Clean pour thru cell assembly with phosphate free detergent, then rinse with high quality DI water.
-Soak for 10 minutes in 1:50 dilution of molybdate 3 reagent in low level silica water.
-Remove any color buildup by rinsing with 1:5 dilution of ammonium hydroxide, followed by several DI water rinses.