BV TEST Calcium Carbide with the best price

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Tianjin
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TT OR LC
Min Order Qty:
22.5
Supply Capability:
1000 m.t./month

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Product Description:

This product is lumpy substance, its surface is a little deep gray, has slight nasty smell. It can produce acetylene gas when met water, it can burn when meets fire. The acetylene gas mix with air will form explosive gas (explosive range of acetylene gas in the air is 2.3% - 81%).

 

Technical specifications and features

1. Name

Calcium Carbide

 

2. Molecular formula

CaC2

3. UN

1402

4. Class

4.3

5. HS code

28491000

6. Gas yield20 101.3 Kpa

≥295L/KG

7. PH3(V/V)

≤0.08%

8. H2S(V/V)

≤0.1%

9.Molecular weight

64.10

(according to 1995 international relative atomic mass)

10. SIZE

4-7,7-15,15-25,25-50,50-80,80-120MM

11. Packing

50kg or 100kg iron drum

 

Cautions during transportion:

The packing must be kept in good condition and the goods should be stored in a dry,cool and ventilated place.It should be separate from the cargo can burn and acid.It should avoid meeting water and moisture.It should give off the acetylene in iron drum before storing in warehouse. Rolling drums,heavy putting down and colliding are not allowed to avoid the spark leads to explosion.


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Q:Inorganic salt effect
The various inorganic salts dissolved in the cells have a certain total concentration, such as human body fluid concentration of 0.9%, frogs of 0.65%, which for maintaining cell osmotic pressure, so that cells maintain a certain shape has an important role, too high or Too low will lead to cell due to water or dehydration to change the cell morphology. There are also a number of buffering systems in the body, which are a group which has a neutralizing effect on the added acid or base so that the pH does not change significantly and therefore plays an important role in maintaining the acid-base balance of the cells.
Q:The power of the water and inorganic salts in the plant is derived from the action of the plant
The transpiration of plants in the body of water in the form of water vapor into the atmosphere when it is a "pump" principle, it provides a vertical pull for the root of the water, while dissolved in the water in the same salt Is absorbed and transported upward, the power is derived from the transpiration of plants
Q:Can you die breathing in salt?
The boiling point of inorganic salts is extremely high due to the strength of their ionic bonds. The temperatures will kill you.
Q:Are fruits and vegetables inactive?
Inorganic salts are inorganic compounds in the salt, formerly known as minerals, the body has found more than 20 species, including constant elements of iron, zinc, selenium, molybdenum, chromium, cobalt, iodine 8. Apple, pipa, durian, citrus, Watermelon, kumquat, peanuts, I know so much. Oh, there are: lotus lotus which contain inorganic salts
Q:What is the time when the maximum number of inorganic salts is needed
Seedling stage requires the largest amount of inorganic salts, because the seedling period is to lay the foundation for the growth period, in the strong growth period is mainly composed of synthetic organic matter.
Q:Is the conduction of excitement on neurons related to inorganic salts?
Neurons, also known as nerve cells, constitute the basic unit of the nervous system structure and function.
Q:The importance of water and inorganic salts to life is reflected in those aspects
The role of inorganic salts: 1 important components of the in vivo compounds 2 to maintain life activities have an important role in 3 to maintain cell acid and alkali balance 4 to maintain normal osmotic pressure
Q:Why can quaternary ammonium salts catalyze the heterogeneous reaction between water-soluble inorganic salts and organic compounds
Quaternary ammonium salts have the characteristics of surfactants, with the water phase of the nucleophile in the composition of the ion pair, into the organic phase, thereby promoting the heterogeneous reaction faster 6224
Q:The content of inorganic salts in the body
Due to metabolism, every day a certain amount of inorganic salts from a variety of ways excreted, and thus must be supplemented through the diet.Energy metabolism can be analyzed by the blood, hair, urine or tissue to determine the concentration in the human body Inorganic salts are interrelated in the appropriate concentration range beneficial to human and animal and plant health, lack or too much can cause disease, and disease and affect its metabolism, often increase its consumption in China calcium, iron and iodine The lack of more common selenium, fluoride and other geochemical environment with the different, both the lack of disease such as Keshan disease and Kashin-Beck disease, teeth, etc., there are too many diseases such as fluoride and selenium poisoning.
Q:RO reverse osmosis water machine can remove impurities in the water, that the body will not be due to lack of minerals and malnutrition?
Modern people generally nutrient surplus, not because of the lack of minerals in the water and hurt, there is no such a report in medicine, Moreover, the world's drinking water into million, have been for decades, not because of water No minerals and malnutrition. The human body will not be due to trace minerals in the water and particularly strong, as long as the nutritional balance like the American Medical Journal (American Medical Journal) pointed out: the human body needs minerals from food, Not from drinking water.

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