Hach Acid Reagent Powder Pillows for HR Silica, 10-mL, pk/100, 2107469 $49.60 | PK Quantity discounts available QuantityPrice Product #: 701224Mfr. Part #: 2107469 This item is in stock Quantity -+ Add to Cart Free Ground Shipping On All Orders Over $1500!*Terms and Conditions Apply* Details Description For determination of high range silica by the silicomolybdate method (Hach method 8185). Range:1 to 100 mg/L. Sample Size: 10 mL sampl... DetailsBackDescription For determination of high range silica by the silicomolybdate method (Hach method 8185). Range:1 to 100 mg/L. Sample Size: 10 mL sample. Pack of 100 Powder Pillows. Documents Safety Data Sheet