Reagent Powder Pillows is required for silica evaluation in water and seawater.
Acid Reagent Powder Pillows for HR Silica is included in the High Range Silica Reagent Set (p/n 2429600) that measures high range silica in the range of 1-100 mg/L SiO₂ in water, seawater and other liquids. Each product package contains 100 Powder Pillows. Article 2107469 may be used for 10 mL sample analysis.
| Brand | Hach |
| Number of tests | 100 tests |
