Why the oil sample cooled in a freezer for 90 minutes, and then at room temperature for 48 hours? Before DSC analysis?

More Abd Al-Wali Mohammed M. Japir's questions See All

Why some polymers did not exhibit glass transition temperature?

I synthesized 2 types of polyesters one is poly(hexyl 2-tetradecylmalonte) without Tg and Tm =26°C ; the other is poly(dodecyl 2-tetradecylmalonte) with Tg = 12.69°C and Tm =51°C. - I used DSC.

05 June 2016 2,466 20 View

What is a possible way to convert lauric acid into polyester using chemical pathway?

What is a possible way to convert lauric acid into polyester using chemical pathway? What is a possible way to convert lauric acid into polyester using chemical pathway?

10 November 2015 237 1 View

How I can convert 15-chloro palmitic acid into 15-hydroxy palmitic acid?

10 November 2015 3,944 8 View

What is the possible way to convert palmitic acid into poly ester?

hexadecanoic acid saturated fatty acid

09 October 2015 7,989 2 View

How I can synthesis of 1,16-Hexadecanedioic?

- using palmitic acid as starting material. - chemical synthesis.

04 May 2015 6,861 0 View

How to heat polymer for about 130° without oil bath ?

is there any other way to heat a polymer evenly other than oil bath if so what are those and how to use it

06 August 2024 947 1 View

Do you think can be any gas and oil bearing rocks in Eastern part of Iran?

I want to know more about petroleum deposits in Iran.

02 August 2024 8,725 3 View

I need to dissolve stigmasterol for an animal experiment, it hasn't dissolved in either DMSO or vegetable oil. Can anyone recommend the best solvent?

Hello everyone, I need to dissolve stigmasterol for an animal experiment, but it hasn't dissolved in either DMSO or vegetable oil. Can anyone recommend the best solvent for stigmasterol?

01 August 2024 7,504 2 View

How to treat monolayer culture cell line with essential oil?

Hi all, may I ask you for advice about treating monolayer culture cell line with essential oil. Due to the hydrophobic character of the oil, I am concerning how can it equally affect to all the...

31 July 2024 5,301 2 View

Heavy Crude oil PVT Data?

Hello i need heavy oil PVT data having viscoisty of 2000-3000 cP. If someone have it or research papers about it, kindly share it with me Thanks

25 July 2024 6,940 1 View

What are the most PROBLEMS of HYBRID nanofluid in oil industry ?

explain your idea

23 July 2024 1,197 0 View

Appearance of crystallization peak in heating cycle of DSC test?

For which types of polymers, the crystallization peak in heating cycle of DSC test can be observed and for which types cant? In another word, when this exothermic crystallization can be observed...

18 July 2024 348 3 View

Do you think can be any gas and oil reservoirs in central of Iran?

I want to know more about gas and oil reservoirs in Iran.

14 July 2024 3,350 2 View

Liposome Preparation using Heating Method - Why does my liposome suspension form aggregates?

Hello everyone, I am trying to encapsulate an essential oil in the liposomes using the heating method and encountering some issues. I am following the protocol described below, but my solution...

10 July 2024 4,083 3 View

How am I supposed to find justifications for the unusual fatty acid profile in broiler diet?

I've obtained a fatty acid profile of broiler diet comprised of SFA 48 to 93%, MUFA (22 to 40%), PUFA (non determined to 10.4%. The PUFA composition is mainly n-6 and almost no value for n-3. The...

08 July 2024 9,165 4 View