Core & Main Sodium Hydroxide, Thiosulfate Reagent, 500 mLBy Core & Main $224.45 | EA Quantity discounts available QuantityPrice1 – 1$224.452 – 5$218.846 +$213.23Product #: 707247Mfr. Part #: ST1976-POut of Stock - Ships in 34 Days Quantity -+ Add to Cart Add to List Add to My List Or: Create a New List Create and Add Item Learn more about Core & Main chemicals and reagents for your everyday water quality testing.Free Ground Shipping On All Orders Over $1500!*Conditions Apply* Details Description Sodium Hydroxide, Thiosulfate Reagent, 500 mL. Features For determination of Total Kjeldahl Nitrogen DetailsBackDescription Sodium Hydroxide, Thiosulfate Reagent, 500 mL. Features For determination of Total Kjeldahl Nitrogen Documents Safety Data Sheet