PHENOLDISULPHONIC ACID SOLUTION 25%
Part No. RXSOL-60-6605-216
PHENOLDISULPHONIC ACID SOLUTION 25%
Key details
| Part number | RXSOL-60-6605-216 |
|---|---|
| Standard packing | 0.00 Box |
| Supply locations | PHENOLDISULPHONIC ACID SOLUTION 25% manufacturers, suppliers, exporters in Mumbai, Gandhidham, Kolkata, Varanasi, Visakhapatnam, Chennai, Fujairah, Dubai, Canada BC, Barka, Sohar, Muscat, Oman. Lab chemicals manufacturers, suppliers, exporters in India, UAE Middle East, Barka, Sohar, Muscat, Oman, Canada. PHENOLDISULPHONIC ACID SOLUTION 25% is available in small packing as well as in bulk. Buy premium quality PHENOLDISULPHONIC ACID SOLUTION 25% and other lab chemicals from one of the most trusted brands. |
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<em><span style="font-family:georgia,serif;"><span style="font-size:16px;">Phenoldisulphonic acid was prepared by dissolving 25g of phenol in 150ml of conc. H2SO4. 35ml of fuming H2SO4 (30% SO3) was added and the solution was heated at 100ºC for 2 hours on water bath.</span></span></em></p>
<p style="text-align: justify;">
<em><span style="font-family:georgia,serif;"><span style="font-size:16px;">Nitrate reacts with phenoldisulphonic acid (PDA) to produce a nitro derivative, which in alkaline solution develops a yellow colour. ... The colour produced follows Beer's law and is proportional to the concentration of NO3- present in the sample.</span></span></em></p>
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