Biuret Reagent Solution, Test for Proteins, 100 ml / 4 fl. oz.
Biuret Solution, 100 mltest for proteinscontains copper(II) sulfate and sodium hydroxide Instructions for Use: Prepare a solution of material to be tested (about 2%) in distilled water. Add 2 ml of this solution to a test tube. Dropwise, add 1 ml of biuret reagent to the sample. Color change from blue to purple indicates the presence of protein. It is advisable to do side-by-side tests with distilled water and a 1% known solution of albumin for comparison. Shipping: UPS Ground (This material is considered hazardous to ship, but the amount(s) offered here fall under the “limited quantity” threshold. Therefore, no additional surcharges apply.) Liberty Scientific LLC offers chemicals for laboratory use only. Our chemicals are not intended or suitable for use as food or food additives, drugs (human or veterinary), cosmetic preparations, household use, or any unlawful purpose. Buyer assumes all responsibility related to the purchase, storage, use, and disposal of our materials, and to follow all applicable local, state, and federal laws and regulations.
Benedict’s Solution, Qualitative Test for Reducing Sugars, 100 ml / 4 fl. oz.
Benedict’s Qualitative Solutiontest for reducing sugarscontains sodium citrate, sodium carbonate, and copper(II) sulfate Instructions for use: Prepare 2% solution of material to be tested. Add 1 ml of the solution to a test tube, followed by 2 ml Benedict’s solution. Place test tube into boiling water bath for three minutes. A color change within that time indicates the presence of a reducing sugar. Shipping: UPS Ground or USPS Parcel Select (please select UPS Ground when ordering multiple items) Liberty Scientific LLC offers chemicals for laboratory use only. Our chemicals are not intended or suitable for use as food or food additives, drugs (human or veterinary), cosmetic preparations, household use, or any unlawful purpose. Buyer assumes all responsibility related to the purchase, storage, use, and disposal of our materials, and to follow all applicable local, state, and federal laws and regulations.