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For determination of Ultra Low Range silica by the Heteropoly Blue method. Hach method 8282 Range: 3 – 1000 µg/L SiO2. Ampuled for increased stability
For longer reagent life, Hach PN 2353011 (Amino Acid F Dilution Solvent) and Hach PN 2653011 (Amino Acid F Reagent powder) can replace 2386442. Powder and diluent are mixed as needed in the volume needed. (These 2 reagents allow preparation of enough Amino Acid F for up to 250 samples). Requires plastic 1 inch plastic sample cells (2410212 pk/12 or 2410222 pk/2)
DOC316.53.01337 below includes instructions for preparation of the Amino Acid F reagent (page 4)
