11 Questions 17 Answers 0 Followers
Questions related from Sondos Almomani
what is the refractive index of benzyl alcohol 99%? i will measure the sample through zeta sizer but the solvent did not exit in the library of the machine?
12 February 2019 1,967 3 View
my sample is small, can i reused the sample that already measured and get the uv on it???? for other test used can i??
11 February 2019 1,154 4 View
i try to synthesis nano particles using green synthesis but the temperature surround 100 C and i notify the color change which indicate the nanopaticles formation but i read in the literature...
05 February 2019 5,292 6 View
i try to prepare 3 %wt of ethnaolamine ? i will take 3 ml of 99% pure 98% ethanolamine ? what solvent used to put 3 ml in it?
05 February 2019 6,985 3 View
i try to synthesize platinum nano particles from hexacholoplatinumic acid with plant extract? it should change the color after few minutes from pale yellow to brown ? but with no change in...
08 January 2019 7,507 10 View
i have plant extract and i dried it and get mass in gram after evaporation the solvent, now i want to synthesize metallic nano particles but how much mass in g, mg should dissolve in which solvent...
23 December 2018 9,797 3 View
i have 25 % ammonia and i want to dissolve my precipitate in this 25 % solution ? i read the following procedure " dissolve in 25 ml diluted ammonia solution (25% water solution) " means the same...
11 December 2018 8,467 1 View
salami researcher i dissolve 100 mg of plant extract in 5 ml of distilled water what is the dilution factor? thanks
18 November 2018 4,067 4 View
i try to synthesis nano particles using green synthesis/ i need to know PH of the solution and study the effects? how i can do this? many thanks in advance
13 September 2018 6,770 14 View
It's important to monitor the pH of nanoparticles synthesis using green synthesis? Or even know how much?
19 August 2018 2,731 5 View
after i centrifuged my samples one of them was falling down and the the supernatent was not distrusted with the precipitate but i see a big things not the precipitate in the solution? what i can...
01 January 1970 5,755 3 View
