[PDF] from jcsp.org.pkR Parveen, S PARVEEN, A Aleem… - Journal of the Chemical …, 2011 - jcsp.org.pk ... Diazonium chloride solution 2 was prepared by taking 5-nitro-o-toluidine (1.52 g, 0.01 mol) in 5N HCl (5 ml), to this solution sodium nitrite (0.69 g, 0.01 mol) in 10 ml H20 was added at 0-5C, excess of sodium nitrite was checked by starchiodidepaper. ... BL Direct - All 2 versions
[PDF] from jcsp.org.pkM Sadeghi… - Journal of the Chemical Society of …, 2011 - jcsp.org.pk ... The work presented in this paper is to report a viable method for the synthesis of reactive red series of patent dyes that possessed novel ... wise to the metanilic acid solution in the separate beaker with constant stirring for 1 hour till the Congo red and starchiodide papers showed ... Related articles - All 2 versions
PT Lang, AM Harned… - Journal of Chemical …, 2011 - ACS Publications ... the less fortunate groups. It should be noted that all reactions were monitored using starch−iodidepaper, which should have ensured the presence of active oxidizing agent (hypochlorous acid). The variable concentration of ... Related articles - All 2 versions
[PDF] from kiche.or.krE Moniri, H Ahmad Panahi, M Karimi… - Korean Journal of …, 2011 - Springer ... It was suspended in an ice-water mixture (350 mL) and treated with 1 mol L-1 HCl and 1 mol L-1 NaNO2 (added in small aliquits of 1 mL) until the reaction mixture showed a permanent dark blue color with starch-iodidepaper. ... Related articles - All 4 versions
[PDF] from niscair.res.inN Parekh, K Maheria… - Journal of Scientific & Industrial …, 2011 - nopr.niscair.res.in ... Reaction mixture was further stirred at < 5°C for 1 h. Excess of nitrous acid (tested for using starchiodidepaper) was removed by adding required amount of sulphamic acid solution (10%). Clear diazonium salt solution thus obtained was further used. ... Related articles
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