52. Solution to Chemistry Problem
Seller: Derkach
Price: 1.17 USD
Available. The final price depends on the selected options and is checked before payment.
Product description
4.9. To 20 ml of a sample of water containing nickel, add 10 ml of ammonia solution, 4 ml of dimethylglyoxime, bring to 100 ml and colorimetrically measure at λ=540 nm. The nickel content in the sample is 0.25 mg/l. Calculate the nickel content in the original solution.
Additional information
If you cannot open the file or have any problems, do not rush to leave a negative review! Contact me and I will quickly help you solve the problem. After purchasing, please leave a positive review of the product :)