Take 1g of the product, add 100ml of hot water (80 ~ 90 ° C), stir to form a slurry, cool the product in an ice bath, then comes out the viscous liquid. Add 2ml of the liquid in a measure tube, slowly add 1ml of sulfuric acid solution containing 0.035% anthrone, along the tube wall.
100ml Screw Neck Purification Reagent Bottle Exporter
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