Calcium Carbide with SGS TEST and Lower price

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Loading Port:
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:Why does inorganic salts affect chemical degradation of organic wastewater
Industrial organic waste water is highly toxic and stable pollutants, for such waste water is difficult to use conventional physical, chemical and biological methods. This paper summarizes the main processing technologies of biodegradable organic wastewater at home and abroad, including biological treatment, chemical treatment and physical treatment and various joint treatment processes. The methods or processes of various methods or processes are described.
Q:The lack of symptoms and food sources of several inorganic salts
Food sources of inorganic salts containing calcium Source: dairy products, beans, cereals, kelp and so on. Source: seafood, etc. Food of iron-containing inorganic salts Source: Fruits Containing iodine-containing inorganic salts Source (trace): seaweed, jellyfish, corn, mussels, etc. Zinc-containing inorganic salt food sources (trace): animal liver (viscera), fruit, peanuts, etc.
Q:Nutritional characteristics of carbohydrates and inorganic salts in vegetables
Inorganic salts: its rich, such as calcium, phosphorus, iron, potassium, sodium magnesium, copper, is an important source of inorganic salts, to maintain the body's role in acid-base balance play an important role. Green leafy vegetables generally contain more than 100mg / 100g. But should pay attention to the removal of part of the oxalic acid during cooking, may be conducive to the absorption of inorganic salts.
Q:Is all the inorganic salts in the body related to life activities?
Sugar is the most important material for the human body, all the activities of the human body, including learning, walking, digestion and breathing, etc., which are the most important substances in the human body. Consumption of energy (about 70%) mainly from the carbohydrates, fat is the body of the energy material, the protein is the basic material of human cells, but also to provide energy, vitamins are neither the main raw material of the organization, nor the supply of energy Material, but it has an important role in the life activities of the human body; inorganic salts constitute an important raw material of human tissue, water is the main component of cells. Which protein, sugar, fat, vitamins can burn for organic matter, and water, inorganic salts can not burn as inorganic.
Q:Can inorganic salts be tested by LC / MS?
LC-MS mass spectrometer for organic matter, inorganic salts can not be atomized not applicable, and will pollute the instrument.
Q:Inorganic salt is not salty
NaOH (sodium hydroxide) dilute: basically with the thick Na2CO3 (I tasted, salty), more spicy (strong resistance to protein corrosive). Concentrated: very spicy in the mouth ( May have been a reaction) and then burned the tongue, was **, meat rot, 1 month can not speak, mouth pain and tongue numbness has a sense of spicy six months after discharge, speech becomes not allowed, the taste almost disappeared, The mouth left a scar (this thing on the protein reaction is not a joke ... ...).
Q:What are the important physiological effects of inorganic salts in cells
Composition of cells in some important compounds,
Q:List the major electrolytes released by inorganic salts when placed in water and explain how these electrolyte?
Which "inorganic salts" are you talking about? There are hundreds!
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:Please tell in your own language how water and inorganic salts are transported from the soil to the leaves.
The roots of plants are usually divided into roots, roots, roots, roots (roots, roots and roots) for the absorption of roots, the absorption of roots from the soil to absorb water and inorganic salts, through the transport organization to reach the xylem catheter, through the catheter To the various organs of the plant (including leaves). The effect of the absorption of roots through the semipermeable membrane of the role of penetration, that is, the concentration inside and outside the cell membrane is poor. Transpiration can provide transport power for the transport tissue, like a pump to the water and water carrying inorganic salts to the top of the plant. Or first through the root absorption, and then through to the transport.

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