Supply High Purity Hydrated Lime/Ca(OH)2 Calcium Hydroxide
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Specifications of High Purity Hydrated Lime/Ca(OH)2 Calcium Hydroxide
product:Calcium hydroxide
cas no.:7778-77-0
purity:90-96%
packing:25kg/bag
supply of price of calcium hydroxide best quality/CAS NO.:7778-77-0
Specifications
Potassium dihydrogen phosphate
Molecular formula: KH2PO4
CAS: 7778-77-0
Appearance: white crystal powder
Properties of High Purity Hydrated Lime/Ca(OH)2 Calcium Hydroxide :
Colorless sifang crystals or white crystalloid powder. The relative density 2.338. Melting point 252.6 °C. Soluble in water (90 °C for improve g / 100ml canister water), become acidic aqueous solution, 1% linsuanerqingjia solution pH value is 4.6. Not soluble in alcohol. Have ChaoXie sex. Heating and 400 °C melted and transparent liquid, after cooling curing is not transparent glass shape partial potassium phosphate.
Use:
Analytics reagents, such as configuration standard solution, buffer a PH. Also used in the pharmaceutical industry, piezoelectric element and electric optical components production.
Details:
Test item | Specification | |
Reagent grade | Pharmaceutical grade | |
Appearance | Conform | Conform |
Assay [KH2PO4]/% | ≥99.5 | ≥99.0 |
Clarify degrees test | Conform | Conform |
Water insoluble/% | ≤0.002 | ≤0.005 |
Dry weightlessness /% | ≤0.2 | ≤0.3 |
Chloride (Cl)/% | ≤0.001 | ≤0.005 |
Sulfate (SO4)/% | ≤0.003 | ≤0.005 |
N/% | ≤0.001 | ≤0.002 |
Sodium (Na)/% | ≤0.02 | ≤0.05 |
Ferric (Fe)/% | ≤0.001 | ≤0.005 |
Arsenic (As) /% | ≤0.0005 | ≤0.002 |
Heavy metal (Pb)/% | ≤0.001 | ≤0.005 |
- Q: Who can tell me what is plant alkalinity?
- A basic nitrogen - containing organic compound in a living organism. Most of them exist in plants and are present in animals. With a ring structure, insoluble in water, and acid can form a salt, a certain optical and absorption spectrum, most of the bitter taste, was colorless crystal, a small number of liquid.
- Q: Why does not the base noodles rub?
- Yes, you are not practicing
- Q: What is called alkali recovery
- Extraction equipment extraction status is good or bad, largely depends on the extraction of equipment. Different pulp, there are different equipment selection. At present the factory application is the most four series of drum-type vacuum washer. Its technology is mature, easy to operate, from the pulp into the pulp, the basic completion of the separation of pulp and black liquor, the extraction rate is also high. Pulp washing degree and the production of black liquor indicators are basically able to meet the choice of more manufacturers. The disadvantage is the big investment, power consumption.
- Q: Last called me to buy salt, but can buy a bag of alkaline powder to go home. Want to know what can use alkali powder?
- Alkaline powder can treat burns. If the scald area pony immediately coated with alkaline powder, and then drop a few drops of water, alkali powder will be dissolved immediately after the water. Was burned parts of the beginning of the alkaline powder coated with a sense of burning, and after a while feel very comfortable ice, like the heat burned alkaline powder is like, so repeated several times can reduce the pain and trauma burns. If the area of burns larger, can be soaked with alkali powder soak for about half an hour or an hour.
- Q: What to do with the wall
- Wall anti-alkali because there is moisture into the solution is to remove the wall, paint interface agent, brush alkali primer, scraping gypsum, and then putty powder, polished roller or spray latex paint on it.
- Q: What is the name of the alkali?
- Its scientific name is [sodium carbonate].
- Q: Alkali soda water
- Soda water is an aqueous solution of sodium bicarbonate, containing weakly alkaline, medical topical disinfectant, drinking and neutralizing the body's acid-base balance, changing the acidic constitution. Most of the soda water sold on the market is a synthetic carbonated beverage that is compressed into purified water and added sweeteners and fragrances. Soda water is a carbonated beverage, is pressed into purified drinking water into carbon dioxide, and add sweeteners and spices. He is an aqueous solution of sodium bicarbonate, containing weakly alkaline, medical topical sterilization, oral administration can be integrated within the body's acid-base balance, change the acidic body. Sodium bicarbonate is what we say baking soda molecular formula NaHCO3 is usually said that the surface screwdriver, but this is not directly joined the surface screwdriver, the market selling soda water is mostly in the purified drinking water into the carbon dioxide, and add Sweeteners and fragrances of synthetic synthetic carbonated beverages. Baking soda: NA2CO3 soda: NAHCO3, weak base. Medical topical disinfection can be sterilization, oral administration can cure too much acid. Soda water is actually carbonated water Well, Coke, whiskey what is inside. Pure soda water also has, usually the equipment, supermarkets have to sell. Can be used for cocktails. Can go to the pharmacy to buy small soda tablets with warm water to the system, but the concentration is not good to master.
- Q: Do you eat too much alkali to harm your body?
- Excessive intake of alkali hazards: The disadvantage of edible alkali is the food in the vitamin B1, B2 and vitamin C has a strong destructive effect, and will affect the body of certain minerals absorption and utilization, so do not overuse.
- Q: What is the use of alkali?
- Can be removed in the clothes when the clothes on the oil, you can neutralize the sour in the face, you can make the porridge easier to boil.
- Q: How to see the whole bread of the alkali alkali small
- Sniffing Such as the smell of the dough, indicating that the alkali is placed properly. (4) catch. Hand dough, such as dough sinking, inelastic, that the alkali put more; if not sticky, nor sink, and there is a certain flexibility, that alkali is just right. (5) taste. Will be rubbing the base of the dough to pull a little bit into the mouth taste, if the sour that alkali less; if the alkali astringent taste, that the alkali put more; if you feel sweet, that is, alkali is appropriate The
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Supply High Purity Hydrated Lime/Ca(OH)2 Calcium Hydroxide
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- 20000 m.t/month
OKorder Service Pledge
OKorder Financial Service
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