Д316 For determination of potassium in the glass on it

Affiliates: 0,02 $how to earn
Pay with:
i agree with "Terms for Customers"
Sold: 9 last one 55 days ago
Refunds: 0

Uploaded: 29.03.2019
Content: Д316.doc 694 kB
Loyalty discount! If the total amount of your purchases from the seller nikole more than:
5 $the discount is5%
If you want to know your discount rate, please provide your email:


For determination of potassium in the glass on its three 0.1000 g sample was dissolved in a mixture of H2SO4 and HF, solution is evaporated, the residues treated with dilute HCl and transferred to a volumetric flask 250.0 ml. In the second and third flasks was added, respectively, and 10.00 ml 20.00 ml of the standard solution of potassium (P = 250 ug / ml). The solutions were diluted with water to the mark and photometrically flame coal gas - air. The corresponding values of the intensities (at. E.) Are 17.0, 26.0 and 35.0. Determine the mass fraction (%) of potassium in the glass?


No feedback yet.
In order to counter copyright infringement and property rights, we ask you to immediately inform us at support@plati.market the fact of such violations and to provide us with reliable information confirming your copyrights or rights of ownership. Email must contain your contact information (name, phone number, etc.)www.plati.market