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Distilled Water 20 liters
Original price was: KSh900.00.KSh850.00Current price is: KSh850.00.
Ferric Nitrate 500gm
Original price was: KSh2,300.00.KSh2,200.00Current price is: KSh2,200.00.
Fehling Solution 1 and 2
Original price was: KSh4,500.00.KSh4,000.00Current price is: KSh4,000.00.
Fehling’s solution is used in chemistry to detect the presence of reducing sugars. It is composed of two separate solutions that are mixed in equal volumes just before use.
Fehling’s Solution 1
- Composition: This solution contains copper(II) sulfate (CuSOā).
- Appearance: It is a deep blue solution.
- Preparation: Typically prepared by dissolving copper(II) sulfate in water.
Fehling’s Solution 2
- Composition: This solution contains a mixture of potassium sodium tartrate (Rochelle salt) and sodium hydroxide (NaOH).
- Appearance: It is a clear, colorless solution.
- Preparation: Potassium sodium tartrate and sodium hydroxide are dissolved in water.
Description
Uses of Fehling Solution 1 and 2
Detection of Reducing Sugars
Fehling’s solutions are commonly used to test for the presence of reducing sugars in various samples, such as:
- Food Products: To identify the presence of sugars like glucose and fructose in foods and beverages.
- Biological Samples: To detect reducing sugars in blood or urine samples, which can be important for diagnosing conditions like diabetes.
- Chemical Research: In organic chemistry labs to analyze carbohydrates and other compounds.
Distinguishing Aldehydes from Ketones
Fehling’s solutions are used to differentiate between aldehydes and ketones:
- Aldehydes: These will react with Fehling’s solution, reducing the copper(II) ions to copper(I) oxide, resulting in a red precipitate.
- Ketones: These generally do not react with Fehling’s solution, so no color change occurs.
Educational Demonstrations
- Teaching Tool: Fehling’s solutions are often used in educational settings to demonstrate redox reactions and the properties of reducing sugars.
Quality Control in Manufacturing
- Food and Beverage Industry: Used to monitor sugar content in products.
- Pharmaceuticals: To ensure the purity and composition of certain medicinal preparations.
Analytical Chemistry
- Qualitative Analysis: Used in analytical chemistry for qualitative tests to identify the presence of specific functional groups or compounds.
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