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Questions related from Daniyal Ahmed
How can i absolutely convert my raw copper phthalocyanine base into pigmentary beta modified crystal form effectively? If so, can i do it without converting the raw base into alpha crystal form...
26 May 2025 7,048 2 View
Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !
03 March 2021 6,587 3 View
I have produced oleum by adding sulfur trioxide, SO3, to sulfuric acid. It mostly contains disulfuric acid (also called pyrosulfuric acid) but i think this method is not suitable for laboratory...
11 June 2020 5,634 2 View
What Will Be The Most Efficient Method To Perform Column Chromatography Of The Below Structured Compound? And What Will Be The Stationary Phase And The Mobile Phase Elute For This...
02 March 2020 4,628 3 View
What is the most feasible method to synthesise benzoxazole from aminophenol? i had tried with carboxylic acid derivative in the presence of PPA as a solvent, but i am looking for some more...
19 January 2020 9,644 16 View
I was previously using one of the strong base NaOH in order to convert it into sodium naphtholate (as my compound's physical appearance is in flakes form) then at the coupling stage with...
29 October 2019 1,984 3 View
Suggestions Required On How Can I Make Below Compound Reactive ? Basically,I Want To Couple This Compound With The Other (Which Is Highly Reactive). I Have Tried Converting In Sodium Salt And...
12 October 2019 2,229 11 View
Is there any effective method to reduce oxidation effect of nitrous acid (HNO2) as it is converting my diazo compound into tars while diazotizing it,affecting the results of my final...
01 October 2019 2,646 8 View
I have treated my highly contaminated water to make it soft but although i managed to make it soft water, the TDS is still the same as i used Cations Exchange Method. So, Is there any method to...
31 July 2019 5,190 67 View
What is the most cheapest procedure to soften the hard water, decontaminating it and reducing the high minerals contents (Removal of magnesium and calcium ions in it)! Suggestions Required???
26 June 2019 4,170 4 View
how to generate mixtures with high tinctorial strength in azo compounds? or the factors that effects the tinctorial strenght in azo compounds??? kindly suggest??
02 June 2019 8,798 5 View
Is there any possibility of nucleophilic aromatic substitution of hydroxyl group directly without the presence of sulfonic group etc ??? kindly suggest me??
28 May 2019 4,578 13 View
how to produce an intensely coloured molecule with a conjugated azo linked (single/double/ single/ double bonded) structure, and avoid missing conjugated azo link in a structure. Any suggestions??
23 May 2019 1,926 2 View
Can Raw Copper Phthalocyanine Base Can Be Converted Into Epsilon Crystal Form Without Converting It Into Metastable Alpha Form Pigment???
01 January 1970 833 2 View
