Kristofferson Sipagan

8 Questions 1 Answers 0 Followers

Questions related from Kristofferson Sipagan

Microwave assissted ZnO NPs, should the nanoparticles settle after some time?

We synthesized ZnO NPs using Zinc Acetate and NaOH using a microwave (800W, 5mins). After some time, should the particles settle? How can be sure that it is in nanosize before we test it for TEM?

14 November 2023 3,235 7 View

Should we add all the NaOH solution in the synthesis of ZnO NPs?

During the synthesis of ZnO NPs via assisted microwave method (800kW, 5 mins), should we add all the NaOH solution (250mL, 0.5M) to the zinc acetate solution (250 mL, 0.2M) under constant...

14 November 2023 7,350 1 View

Why our synthesized ZnO NPs has a thick consistency? Is this a good consistency or not?

We use Zinc Sulphate and Sodium hydroxide for the synthesis of ZnO NPs using chemical precipitation method. We mixed Zinc Sulphate solution and Sodium hydroxide solution (dropwise) at constant...

30 October 2023 2,460 1 View

If we aim to have 80g of synthesized ZnO Nps using zinc acetate and sodium hydroxide what would be the measurements?

If we aim to have 80g of synthesized ZnO Nps using zinc acetate and sodium hydroxide what would be the measurements? and the process on doing it? Also what concentration should we use for it

06 October 2023 6,297 0 View

We need to synthesize ZnO Nps using Zn(NO₃)₂ and NaBH4 using chemical precipitation how would it be done?

We need to synthesize ZnO Nps using NaBH4 and Zn(NO₃)₂ how would it be done and what should we do to ensure a proper size in the ZnO Nps ?

26 September 2023 3,708 1 View

We are going to extract calamansi peels via ethanol extraction using rotary evaporator. What would be the set how bath temp and cold temp?

We did macerate the grinded calamansi peels (127g) with ethanol (635 mL) for 36 hours then we are going to extract the calamansi peels via ethanol extraction using rotavap after it was...

26 September 2023 7,694 3 View

We are going to synthesize zinc oxide nps using calamansi peels extracts what would be the most efficient way to do it (using Zn(NO₃)₂ and NaBH4)?

We are going to synthesize ZnO Nps using calamansi peel extract using NaBH4 and Zn(NO₃)₂ what would be the best way (we are thinking of chemical precipitation) to do it? also the amount needed to...

26 September 2023 1,995 0 View

Can we use a scientific oven to dry our synthesized ZnO NPs, if yes what would be the set temperature and how long are we going to dry it?

We are going to do a chemical synthesis of ZnO NPs using sodium borohydride and zinc nitrate after achieving the synthesis can we use a scientific oven since we don't have a calcifier to dry the...

01 January 1970 5,865 2 View