The ultra low range (ULR) silica method 8282 has several reagent options. How do I know which ones I need?

Document ID

Document ID TE802

Published Date

Published Date 22/10/2019
Question
The ultra low range (ULR) silica method 8282 has several reagent options. How do I know which ones I need?
Summary
Reagent selection for method 8282
Answer
The reagent set recommendation is based on the frequency of testing.

-The Silica Reagent Set, Ultra Low Range, Bulk Solution (Product # 2553500) includes: 100ml molybdate 3, 100mL Citric Acid, 100mL Amino Acid F
*The Amino Acid F has only a 8 month shelf life so may not be recommended unless frequently testing.

-Silica Reagent Set, Ultra Low Range, 40 tests (Product # 2581400) includes: 100ml molybdate 3, 100mL Citric Acid, Amino Acid F 1.2mL ampules qty 20.
*The Amino Acid F ampules have a 5 year shelf life.

-Silica Reagent Set, Ultra Low Range Rapid Liquid (Product # 2678500) includes: 500ml molybdate 3, 500mL Citric Acid, 55g Amino Acid F reagent powder, 475mL Amino Acid Reagent Dilution Solvent . The Amino Acid F solution is prepared by following the “reagent preparation instructions” or 11 grams powder to 100 ml solvent ratio.
*This solution has limited stability, test routinely with a 1ppm silica standard to confirm performance.