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99% Purity Sodium Salt 144 55 8 Fire Extinguisher Sodium Bicarbonate Powder

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99% Purity Sodium Salt 144 55 8 Fire Extinguisher Sodium Bicarbonate Powder

Country/Region china
City & Province shanghai shanghai

Product Details

 

CAS NO 144-55-8 99% purity sodium bicarbonate powder used as fire

 

extinguisher

 

 

►Description 

 


   Sodium bicarbonate is a chemical compound with the formula NaHCO3. It is a

 

salt composed of sodium ions and bicarbonate ions. Sodium bicarbonate is a white

 

solid that is crystalline but often appears as a fine powder. It has a slightly salty,

 

alkaline taste resembling that of washing soda (sodium carbonate). The natural

 

mineral form is nahcolite. It is a component of the mineral natron and is found

 

dissolved in many mineral springs.

 

 

 

►Specifiction  

 

 

 

   

    Grade

 

 

GB1887-2007

 

Results

 

 

   NaHCO3

 

≥%99~100.5100.1

 

    PH

 

 

8.57.8

 

  Loss on drying

 

≤%0.20.1

 

   Pb

 

≤%0.0005<0.0005

 

   As

 

≤%0.0001<0.0001

 

   Cl

 

≤%0.4<0.4

 

►Production 

 

 

NaHCO3 may be obtained by the reaction of carbon dioxide with an aqueous

 

solution of sodium hydroxide. The initial reaction produces sodium carbonate:

 

CO2 + 2 NaOH → Na2CO3 + H2O

 

Further addition of carbon dioxide produces sodium bicarbonate, which at

 

sufficiently high concentration will precipitate out of solution:

 

Na2CO3 + CO2 + H2O → 2 NaHCO3

 

Commercial quantities of baking soda are also produced by a similar method: soda

 

ash, mined in the form of the ore trona, is dissolved in water and treated with

 

carbon dioxide. Sodium bicarbonate precipitates as a solid from this method:

 

Na2CO3 + CO2 + H2O → 2 NaHCO3

 

►Application 

 

 

 

  Fire extinguisher

 

 

      Sodium bicarbonate can be used to extinguish small grease or electrical fires by

 

being thrown over the fire, as heating of sodium bicarbonate releases carbon

 

dioxide. However, it should not be applied to fires in deep fryers; the sudden

 

release of gas may cause the grease to splatter.Sodium bicarbonate is used in BC

 

dry chemical fire extinguishers as an alternative to the more corrosive diammonium

 

phosphate in ABC extinguishers. The alkaline nature of sodium bicarbonate makes

 

it the only dry chemical agent, besides Purple-K, that was used in large-scale fire

 

suppression systems installed in commercial kitchens. Because it can act as an

 

alkali, the agent has a mild saponification effect on hot grease, which forms a

 

smothering, soapy foam.

 

 

► FAQ

 

 

1. How did you check the quality of product ?

 

Of course we can provide free sample ,but you need you to prepaid the express

 

freight to your city.


2. What's your delivery time?

Usually we will arrange the shipment in 3 -15 days, due to different products you

 

choose.

 

3. How many years have your company sell chemicals in this industry ?

 

More than 25 years , we have good reputation .


4. Why choose our company?

We are professional company ,we have been exporting this product for more than

 

25 years.Wehave specialized term work .

5. What payment tearms you can accept ?

We can accept T/T or LC at sight ,and 30% advance payment +70% dp at sight

LC , moneygram.

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