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Iodine Value of Activated Carbon
Apparatus:
Volumetric flask,
conical flask,
beaker,
burette,
pipette,
filter paper
Reagents:
* 0.1N Iodine solution ( 40 gm KI in 1 Ltr of Distilled water ).
* 0.05N Sodium Thiosulphate solution (12.5 gm Na2S2O3.5H2O in 1 Ltr Distilled water)
* 1% Starch solution
* Activated carbon
Procedure:
I Standardisation of Iodine solution
* Take 10c.c of 0.1N Iodine solution in conical flask.
* Add 2 drops of Starch solution.
* The pale yellow colour of Iodine Soln turns Blue.
* Titrate with 0.05 N Sodium Thiosulphate till it becomes Colourless.
* Burette reading corresponds to blank reading.(B)
II
* Weigh very accurately 0.2 gm of Activated carbon
* Introduce it into the Iodine flask which should be completely dry
* Add 40cc of 0.1N Iodine solution
* Shake the flask for 4 minutes and filter it
* Collect the filterate in a dry flask and Titrate 10cc of the filtrate against
Standard Sodium thiosulphate solution using starch as indicator
* Burette reading corresponds to (A)
Calculations:
Iodine value: C x Conversion factor; mg/gm
Factor:Mol wt. of iodine (127) x normality of iodine x 40 / Wt. of carbon x Blank reading
C=B-A This is dry basis test
From
Ishan Udyog
Bhilai
What else can I help you with?
What elements are carbon sulfur and iodine?
Carbon, sulfur, and iodine are chemical elements found on the periodic table. Carbon is a non-metal, sulfur is a non-metal, and iodine is a halogen. They each have unique properties and are essential for various chemical reactions and biological processes.
What happens when iodine is added to carbon?
Not a lot. If the carbon was part of an unsaturated fat, it may break double bonds to join the fat (this is a test for unsaturation; by measuring how much iodine is absorbed we know how unsaturated the fat is). Otherwise, iodine is quite unreactive when introduced to carbon.
What is the pka value of iodine?
The pKa value of iodine is not a well-defined quantity because iodine is not an acid that readily donates protons. Its pKa value is not commonly reported.
Does carbon dioxide react with iodine solution?
I'd say NO: I never would expect it, nor having heard of and can't think why it could be yes.
What is iodine called when it's a substituent on a carbon skeleton?
Iodine is called an iodo substituent when it is attached to a carbon skeleton in organic chemistry. It is commonly represented by the symbol I.
What is the meaning of MB value of activated carbon?
The MB value of activated carbon represents the amount of methylene blue dye that can be adsorbed by the carbon, typically measured in milligrams per gram. A higher MB value indicates a greater capacity of the activated carbon to adsorb organic compounds, making it more effective for purification and filtration applications.
What is the pH for activated carbon?
Activated carbon hasn't a pH.
What is the MIE value of activated carbon?
The Minimum Ignition Energy (MIE) value of activated carbon varies depending on its specific properties and the conditions under which it is tested, but it typically ranges from 10 to 100 millijoules (mJ). Activated carbon can be highly combustible, making it important to handle it with care to prevent ignition. Its MIE value is influenced by factors such as particle size, moisture content, and the presence of other materials. Always refer to specific safety data sheets for precise information regarding a particular type of activated carbon.
Are graphite and iodine metalloids?
No. Graphite is a form of carbon, and iodine is a halogen, and both carbon and iodine are nonmetals.
Why activated carbon is called activated?
Activated carbon has high surface area; this characteristic improve the reactivity of the material.
What is the chemical formula for carbon iodine?
Carbon tetraiodide- CI4
What method is used to separate iodine from iron?
Use a magnet to attract and remove the iron filings.
What does the company Calgon Carbon offer?
The company Calgon Carbon offers the following services: Activated carbon and speciality products, activated carbon absorption equipments, activated carbon reactivation or recycling, ultraviolet technologies, ion exchange technology systems.
What has the author Md Akram Hossain written?
Md. Akram Hossain has written: 'Modeling of activated carbon adsorption in a fixed bed' -- subject(s): Activated Carbon, Adsorption, Carbon, Activated
What has the author David O Cooney written?
David O. Cooney has written: 'Activated charcoal in medical applications' -- subject(s): Activated Carbon, Carbon, Activated, Charcoal, Drug therapy, Pharmacology, Poisoning, Therapeutic use, Treatment 'Purification of wilderness waters' 'Activated charcoal' -- subject(s): Activated Carbon, Adsorption, Antidotes, Carbon, Activated, Therapeutic use
What is iodine soluble in?
Iodine is highly soluble in water. It is also soluble in iodine solutions, chloroform, carbon tetrachloride and carbon disulphide among others.
What the effect of activated carbon on pH?
The influence of activated carbon on pH value is mainly reflected in the following aspects: Optimal pH range: Activated carbon showed the best adsorption effect under acidic conditions with pH 3-6. This is because in this pH range, activated carbon has the most active chemical properties and is able to adsorb acidic substances more effectively. Effects of too high or low pH: When the pH value is too high (greater than 7), the adsorption capacity of activated carbon will decrease, because the high pH value may lead to some chemical structure changes on the surface of activated carbon, reducing the adsorption capacity of pollutants. In alkaline environment, the adsorption effect of activated carbon will also be affected, because desorption phenomenon may occur under alkaline conditions, further reducing the adsorption capacity. Adjustments in practical applications: In practical applications, such as water treatment and waste gas treatment, it is very important to control the appropriate pH. For example, activated carbon performs well when treating acidic wastewater or waste gas containing acidic pollutants; In the treatment of alkaline wastewater, it needs to be adjusted accordingly. In conclusion, the adsorption effect of activated carbon is significantly affected by pH, so when designing and using activated carbon treatment systems, the change of pH must be considered, and the use and treatment methods of activated carbon must be adjusted accordingly to ensure the best adsorption effect.
