Chemicals

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Questions related to Chemicals

How can I measure the hydrogen content of biomass without using a CHNO elemental analyzer?

Is there any chemical conversion method to deteremine the hydrogen content of biomass?

26 September 2017 1,963 3 View

Which are the five representative species of environment to study ecological effects of chemicals to apply Species sensitivity distribution?

I want to know the representative species of the different trophic levels of food. And want to apply Species sensitivity distribution method by using toxicity data of ionic liquids to different...

25 September 2017 3,665 5 View

Any naturally occured or biologically based plasticizer available bioplastic production?

Plasticizer are used to enhance the potential of the bioplastics. only chemical plasticizer such as glycerol, urea, sorbitol are used.water is also used as a plasticizer. But there are some...

25 September 2017 1,211 2 View

How does vapor pressure of a precursor in solid state method effect the growth of impurities?

solid-state method impurity formation due to evaporation of chemical from reaction mixture on high temperature

19 September 2017 525 2 View

How to detect chemical induced apoptosis?

I am going to use a chemical to induce apoptosis. I am wondering how I could know if my apoptosis is induced successfully. 

19 September 2017 9,524 4 View

What is best way which can give me good results i mean i do chemical activated first then pyrolysis or pyrolysis first then chemical activated?

in preparation of activated carbon 

15 September 2017 2,857 4 View

What are the most important flavor compounds in Coffee?

I have read numerous papers regarding the chemical compounds that are most important for coffee flavor but all mention different chemical compounds with very little overlap. Obviously different...

13 September 2017 6,297 5 View

Hi, are there available kits or procedures for detecting and quantifying neurotransmitters in rats' brain?

Am working on a chemical that is likely to induce release of neurotransmitters in the brain of Wistar rats.The challenge is how to detect and quantify the neurotransmitters .Are there kits one can...

11 September 2017 776 5 View

How can I determine /derive chemical formular for pure biodiesel and its blends from fatty acid composition?

Dear Researchers, Kindly assist me to determine/derive chemical formulae for purebiodiesel (B100) and its blends (B7.5, B15, B22.5, B30, B37.5, B45and B60). The fatty acid composition is hereby...

09 September 2017 5,039 5 View

How can I measure the hydrogen content of biomass without using a CHNO elemental analyzer?

Is there any chemical conversion method to deteremine the hydrogen content of biomass?

09 September 2017 5,530 3 View

Any naturally occured or biologically based plasticizer available bioplastic production?

Plasticizer are used to enhance the potential of the bioplastics. only chemical plasticizer such as glycerol, urea, sorbitol are used.water is also used as a plasticizer. But there are some...

09 September 2017 5,692 2 View

What can be the alternative of Acetic anhydride for acetylation of Chlorophenols?

Acetic anhydride is not available easily in our country. ISO method also saying to use the same. but is there any alternative chemical for this which can give accurate results and stability?

09 September 2017 6,704 11 View

How does vapor pressure of a precursor in solid state method effect the growth of impurities?

solid-state method impurity formation due to evaporation of chemical from reaction mixture on high temperature

09 September 2017 7,427 2 View

How to detect chemical induced apoptosis?

I am going to use a chemical to induce apoptosis. I am wondering how I could know if my apoptosis is induced successfully. 

09 September 2017 973 4 View

Storing biotin-hydrazide solution?

I know that the stock chemical is stored at 4 degrees celsius. However, once dissolved in DMSO, how do you store it? I left it at room temp for 4 days. Is -20 celsius recommended for long term...

09 September 2017 860 2 View

What are the most important flavor compounds in Coffee?

I have read numerous papers regarding the chemical compounds that are most important for coffee flavor but all mention different chemical compounds with very little overlap. Obviously different...

09 September 2017 7,413 6 View

Can any body used or know the biological urease inhibitors for reducing ammonia volatilization?

I am working on chemical urease inhibitors, so now i want to compare the biological and chemical urease inhibitor for mitigating ammonia emission and improving nitrogen use efficiency.

09 September 2017 8,278 5 View

How can I determine /derive chemical formular for pure biodiesel and its blends from fatty acid composition?

Dear Researchers, Kindly assist me to determine/derive chemical formulae for purebiodiesel (B100) and its blends (B7.5, B15, B22.5, B30, B37.5, B45and B60). The fatty acid composition is hereby...

06 September 2017 979 5 View

Best way to clean CTFE equipment in order to avoid DNA contamination?

Dear colleagues, I received different pieces of lab equipment (mainly pestils and alike) out of CTFE and would like to reuse the same pestils without autoclaving them every time. I do not have any...

30 August 2017 4,610 2 View

How we can use Raman's spectroscopy in wood science to improve our research?

If we use raman's spectroscopy what things we can identify from wooden samples, composition of wood, chemical constituent of wood, cellulose, nano cellulose and what things we can use?

25 August 2017 1,212 3 View

How to determine reaction order of chemical species through slope of the plot?

I  have plotted concentration of five chemical species versus time of reaction for zero-first-second order reactions. The slope (m) values obtained are as follows: Zero order       : -50 (Plot of...

22 August 2017 6,250 5 View

What makes Straw Mushroom compost can not hold its temperature?

After Phase 1 Composting of Volvariella compost, it is difficult to reach pasteurization temperature (we use steam boiler). once the steam turned off, the temperature suddenly drops. if there is...

19 August 2017 4,177 1 View

How to purchase the right chemicals for enzymatic activity of lignin peroxidase, manganese peroxidase and laccase?

Can someone tell me how to get the right chemicals for the lignin peroxidase, manganese peroxidase and laccase analysis. I have the list of chemicals but each chemical available in various form...

18 August 2017 6,423 3 View

Who first proposed the equation for the formation of biogenic carbonate?

The chemical equation: Ca2+ + 2HCO3- = CaCO3 + CO2 + H2O is often quoted as the equation for the formation of biogenic calcium carbonate. Does anyone know its history or who first proposed this...

15 August 2017 2,202 10 View

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