GBL® ROSE-URI

3689-Benedict Solution, Qualitative

Title Description
REF No 3689
Purpose It is used for the qualitative determination of glucose in urine.
Ingredients Trisodium citrate (anhydrous), sodium carbonate, copper (II) sulphate pentahydrate.
Working Principle
Warnings, Precautions, Recommendations Caution. Wear protective gloves/protective clothing/eye protection/face protection. IN CASE OF CONTACT WITH EYES: Rinse with water for several minutes. Remove contact lenses if fitted and easy to do so. Continue rinsing.
Application 1. Add 8 drops (0.05 ml) of urine to 5 ml of Benedict's Solution Qualitative (GBL Stock Code 453689020500) reagent.
2. Bring to the boil and keep in a boiling water bath for 5 minutes. If the glucose concentration is only 0.1% or less, the precipitate will only be visible after cooling.
3. If the resulting colour is blue or cloudy green, the result is negative.
4. If it is yellow-green in colour, it is + and indicates less than 0.5% glucose. It may appear after cooling.
5. Greenish-yellow colour is +++ and means 0.5-1% glucose.
6. Yellow colour is considered ++++ and means 1-2% glucose.
7. An orange or red colour is considered ++++ and means that more than 2% glucose is present.
Theoretical Results

Precipitate Colour

Sugar Concentration

Yellow-green

less than 0.5%

Greenish-yellow

%0,5-1

Yellow

%1-2

Orange or red

Over 2%

Related Media
Shelf Life 1 year
Shelf Life After Opening the Lid After opening the lid, it can be used throughout its expiry date when stored under recommended storage conditions.
Storage Temperature 15/25°C
pH (at 25°C)
Transportation Information It is not classified as a dangerous product according to transport rules.
Ordering and Packaging Information
Order No Unit Volume Packaging Type Quantity in a Box
453689030250 Bottle 250 mL 250 ml, PP White Bottle with Dropper 32
453689020500 Bottle 500 mL 500 ml, HDPE White Bottle 28 mm 24
Keywords
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