90. Solving a chemistry problem
Seller: Derkach
Price: 1.18 USD
Available. The final price depends on the selected options and is checked before payment.
Product description
- For the luminescent determination of riboflavin (vitamin B2) in a food product by the addition method, 0.1500 g of the product was dissolved and, after appropriate treatment, the luminescence intensity of the resulting solution was measured. It turned out to be 25. After adding a standard solution containing 26 µg of vitamin B2, the luminescence intensity increased to 60. Determine the mass fraction of vitamin B2 in the product if the luminescence intensity of the blank solution is 12.
Additional information
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.