Conductive Carbon Black XCF (Granule)

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
-
Supply Capability:
10000MT m.t./month

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Product Description:

Conductive Carbon Black XCF (Granule)

Product Description:

Conductive Carbon Black XCF:
1. Usage : conductive rubber, plastic, radio conductive elements etc.;
2.Product Status: Black granular;
3.Standard: ISO 9001:2000

Suggest for Use:

This product has the low resistance or high resistance performance characteristics, can gift products conductive or anti-static function. Its characteristic is small particle size, specific surface area is large and rough, the structure is high, the surface clean (compounds less), etc.

USES: used for different products, such as conductive rubber, plastic, radio conductive elements etc.

TDS of the Conductive Carbon Black XCF :

Items

Unit

index

Dubigeoncm3/g

cm3/g

4.0-5.0

ResistivityΩ·m

Ω·m

0.8-1.0

PH

7-8

purity%

%

100

Oil Absorptionml/100g

ml/100g

220

Iodine Absorption(㎡/g

(㎡/g

650

Heating loss%≤

%

0.5

Ash    %≤

%

1.0-1.5

Semolina %≤

%

0

Hydrochloric acid to absorb ml/g≥

ml/g

4.0

Safety:

As a matter of good industrial hygiene, gloves and safety glasses with side shields or better eye protection should be worn when handing Carbon Black , For more information, refer to the MSDS.







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Q:Can you describe at least 4 ways a catalyst can lower the activation energy of a reaction?
To see how a catalyst accelerates the reaction, we need to look at the potential energy diagram shown below which compares the non-catalytic and the catalytic reaction. For the non-catalytic reaction, the figure is simply the familiar way to visualize the Arrhenius equation: the reaction proceeds when A and B collide with succificient energy to overcome the activation barrier. The change in Gibbs free energy between reactants, A + B, and the product P is delta G. The catalytic reaction starts by bonding of the reactants A and B to the catalyst, in a spontaneous reaction. Hence, the formation of this complex is exothermic and the free energy is lowered. There then follows the reaction between A and B while they are bound to the catalyst. This step is associated with an activation energy; however, it is significantly lower than that for the uncatalyzed reaction. Finally, the product P seperates from the catalyst in an endothermic step. The energy diagram illustrates 4 ways the catalyst works : The catalyst offers an alternative path for the reaction that is energetically more favorable The activation energy of the catalytic reaction is significantly smaller than that of the uncatalyzed reaction; hence the rate of the catalytic reaction is much larger The overall change in free energy for the catalytic reaction equals that of the uncatalyzed reaction. Hence, the catalyst does not affect the equilibrium constant for the overall reaction. A catalyst cannot change the thermodynamics of a reaction but it can change the kinetics. The catalyst accelerates both the forward and the reverse reaction to the same extent. In other words, if a catalyst accelerates the formation of product P from A and B, it will do the same for the decomposition of P into A and B.
Q:Chemical reaction in the presence of catalyst for the reaction are carried out a high life
Juvenile high school you have to learn the reaction are hundreds of I can not tell you one by one you will learn some of the time can be added plus no plus can not respond
Q:Catalyst and Intermediate.?
Cl is the catalyst. ClO the intermediate. The catalyst is the component which does not change in overall reaction. He forms some intermediate component(s) with the reactants. In the later reaction steps the intermediate(s) react forming the catalyst in its original state. (a) The overall order is the sum of the orders with respect to the components: n = 1 +1 = 2 (b) the unit of the rate of reaction is r [=] mol/ (Ls) (more general mol per unit time and volume) compare dimensions mol / (Ls) [=] k · mo/L · mol/L =k [=] L/(s mol) (more general unit volume per unit time and mole) (c) First reaction For elementary reaction steps the order of the reaction rate with respect to a reactant is equal to stoichiometric coefficient. Hence the rate of first reaction is: r₁ = k₁·[Cl]·[O₃] Overall rate is given by the rate determining step, while other reaction steps are in equilibrium: r = r₁ = k₁·[Cl]·[O₃] If second reaction is the rate determine step r₂ = k₂·[O]·[ClO] while reaction 1 is at equilibrium K₁ = ( [ClO]·[O₂] ) / ( [Cl]·[O₃] ) =[ClO] = K₁·( [Cl]·[O₃] ) / [O₂] the overall rate would be: r = r₂ = k₂·[O]·[ClO] = K₁·k₂·[O]·[Cl]·[O₃] / [O₂] = k·[O]·[Cl]·[O₃] / [O₂] That doesn't match the observed rate law
Q:Please name 2 common examples of catalysts.Thank you?
Common Catalysts
Q:The role of catalyst in chemical reactions
The role of the catalyst is to change the reaction required to achieve the activation energy, can reduce the activation energy is called positive catalyst (that is, usually the meaning of the catalyst), to improve the activation energy is negative catalyst
Q:Chemical production of iodine and magnesium with water as catalyst!
In the 250mL three bottles were equipped with spherical condenser and constant pressure dropping funnel, in the condensate tube connected to the anhydrous calcium chloride drying tube. The flask was placed with 1.5 g of magnesium chip and a small tablet of iodine, 10 g of bromobenzene and 30 mL of anhydrous ether were mixed in a constant pressure dropping funnel. First 1/4 of the mixture into the flask, a few minutes later see the magnesium surface of the bubble generated, the solution was slightly cloudy, iodine color began to disappear. If no reaction occurs, use a hot water bath. After the start of the reaction, stir, slowly dropping the remaining bromophene ether solution, dropping the rate to keep the solution was slightly boiling state, after adding, in the water bath to continue reflow 0.5h, magnesium tablets full effect.
Q:What is the meaning of catalyst in chemistry?
In the chemical reaction can change the reaction rate of chemical reaction (increase or decrease) without changing the chemical balance, and its own quality and chemical properties in the chemical reaction before and after the material did not change the catalyst.
Q:Why are transition metals more likely to be catalysts?
activation energy has got nothing to do with this. the main reason that the transition metal oxides are catalysts is that they have vacant d orbitals. the reagents are adsorbed on the metal surface and the d orbitals serve as a sort of clamp between the substrates and reagents. for example if you consider the hydrogenation of ethylene in palladium catalyst here the d orbitals lead to syn addition of hydrogen by clamping the pi electron cloud . this is a sort of chemisorption.
Q:Gene cloning of heat - resistant bacteria
The enzyme, like the general catalyst, only catalyzes the thermodynamics of the permissible chemical reaction, shortening the time to reach the chemical equilibrium without changing the equilibrium point. The enzyme as a catalyst has no qualitative and quantitative changes before and after the chemical reaction. The mechanism of action of enzymes and general catalysts is to reduce the activation energy of the reaction.
Q:Chemistry is often said that the catalyst can change the material reaction rate
The rate is related to the concentration of matter, the velocity is physically, is the vector, has the direction

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