BIOSCIENCE EDUCATION

Latest Science Discoveries, Reagents Preparations, Standard Laboratory Analysis Procedures and Promoting the importance of Life to the World

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Friday, 26 June 2026

Froehde’s Reagent

Froehde’s Reagent Purpose: Spot test for alkaloids and some phenols. Procedure: Dissolve 0.5 g molybdic acid (or MoO₃) in 100 ml concentra...

Friday, 19 June 2026

How To Prepare Liebermann’s Reagent

Liebermann’s Reagent Purpose: Colorimetric spot test for alkaloids, especially morphine and codeine. Procedure: Slowly add 1 ml concentra...

Monday, 15 June 2026

How To Prepare Dragendorff’s Reagent

Dragendorff’s Reagent Purpose: Detection of alkaloids in plant extracts or formulations. Procedure (stock solution method): Stock A: Di...

Wednesday, 3 June 2026

OOU Post UTME/DE Past Questions and Answers for Sciences, Medical Sciences, Engineering, Pharmacy, Nursing and More

OOU Post UTME/DE Past Questions and Answers for All Courses (Sciences, Medical Sciences, Engineering, Pharmacy, Nursing & More) Are yo...

Monday, 2 February 2026

HOW TO DETERMINE DISSOLVED OXYGEN IN WATER (WINKLER METHOD)

DETERMINATION OF DISSOLVED OXYGEN IN WATER (WINKLER METHOD) AIM: To determine the dissolved oxygen (DO) content in water. APPARATUS: BOD bot...

Monday, 26 January 2026

HOW TO DETERMINE CITRIC ACID IN FRUIT JUICE

DETERMINATION OF CITRIC ACID IN FRUIT JUICE AIM: To estimate citric acid content in fruit juice. APPARATUS: Burette, conical flask, pipette....

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