Supply High Purity Hydrated Lime/Ca(OH)2 Calcium Hydroxide

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Qingdao
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Supply Capability:
20000 m.t/month

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Product Description:

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

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Q:How to see the whole bread of the alkali alkali small
Shoot. If you hear the "air" sound, that the alkali put less; if issued a "bash, bang" sound, that the alkali put more.
Q:The commonality of the base
alkaline solution can react with non-metallic oxides, generate salt and water
Q:Would you like some rice when you cooked rice or millet gruel?
But there is a situation, that is, in the boiled polenta, corn paste, the production of Wo Wo first corn products, should add a small amount of alkali. This is because the corn contains niacin is very high, but there are 63% to 74% can not be absorbed by the body combined with niacin, long-term consumption of this corn food may occur niacin deficiency - podular disease: dermatitis , Diarrhea and dementia. Early symptoms include lazy weakness, loss of appetite, chapped lips, tongue swelling and pain. If the disease continues to develop, will make the skin in the sun dermatitis, face, hands and feet skin will appear red, long blisters, peeling, brown pigmentation, rough and wrinkles and other symptoms. In order to avoid this situation, the best way is to add some alkali in the corn food, that is, in the boiled polenta, corn batter, do Wo head, the amount of some alkali. This can make the combination of corn in the release of niacin released into a free niacin, alkali-added corn food generally niacin release rate of up to 37% to 43%, and also save vitamin B1 and vitamin B2, very It is good.
Q:Alkali soda water
In 1772, Joseph Plistree published a book, "Combination of Water and Gas," describing the drop of sulfuric acid on chalk, releasing carbon dioxide and encouraging people to collect gas with a bowl full of water. In 1771, the Swedish chemist Luben Bergman independently invented a manufacturing process similar to that of Joseph Plistry's discovery of carbonated water. But less successful, he managed to produce natural bubbling spring water, then think that bubbling spring is good for health. Now, carbonated water is made by pressurized carbon dioxide through water. The pressure of the pressure is stronger than the standard atmospheric pressure, so that it increases the solubility, so that carbon dioxide into the. When the bottle is opened, the pressure is released, the gas forms a bubble out, thus forming a unique bubble. The best known for carbonated water is the advantage of removing stains, such as coffee stains in coffee cups, or silver stains. It is said that the wine stains can be mixed with salt, and then add a lot of carbonic acid to remove. Carbonated water is available at the grocery store and is also very simple. To the supermarket condiment counter bought to eat soda powder. Then prepare a bottle of mineral water. Will be a drink of water cups, put a spoonful of soda powder, how much soda powder can be based on personal taste to set. If put more, too salty, some people can not stand, put less. And then filled with mineral water, pay attention to the water must be cool. Now the living standard is good, every day big fish and meat eat, the body eat into acidic, drink soda can be neutralized in the body acid and alkali balance, good for health. Drink once or twice a week, stick to it, the body will feel particularly cool.
Q:What is the role of alkaline powder
Hair thicken
Q:What is the alkaline powder? Baking soda? Sodium carbonate or something else?
Baking soda is very easy to absorb the air of the air, so when not in use when the best way to retract, such as sealed cans or folder chain or milk powder cans. Use, you can use a commercially available pepper to retract, but not Add the lid, pepper cans of the hole is very easy to sprinkle the small soda.There is no pepper cans, you can also have a hole in the cloth, such as not the yarn quality curtains, mosquito nets, etc., tied tied to the general bottle, It is easy to pour out to use.If you just want a simple moisture and deodorant, you can put the small soda in the old cotton socks, and then sealed with a rope, and then any use can be
Q:Does the alkaline battery pollute the environment?
It is understood that, in order to maintain the sustainable development of the battery industry, China Battery Industry Association to "environment-friendly and harmonious development" as the theme, in August this year, organized a nationwide "green alkaline manganese battery products" evaluation activities. After testing, Guangzhou Hutou Battery Group Co., Ltd. production of "555" brand alkaline manganese batteries and other 11 key enterprises of alkaline manganese batteries mercury content are lower than the mercury-free mercury content limit indicators, in full compliance with the provisions of the national nine ministries.
Q:What is the role of alkali in the surface
Nutritional analysis: 1. In the process of hair will have a microbial acid, dough after the initiation of acid, must be added to the alkali (carbonate) to acid off in order to produce a delicious pasta; And dark green vegetables due to the excessive spraying of pesticides and organic acids or sulfide, which can keep the original color of vegetables and pesticides to remove the pollution of vegetables; 3. Alkali has a strong role in degreasing, can Remove the oil on the dry goods on the raw material of excess oil; 4. Alcohol can release corn is not easy to release nicotinic acid, so that long-term consumption of corn will not be due to the lack of nicotine in corn and suffering from niacin; The disadvantage is that the food in the vitamin b1, b2 and vitamin c have a strong destructive effect, and will affect the body of certain minerals absorption and utilization, and therefore can not be abused.
Q:Is the plant base a food base?
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:What is called alkali recovery
Alkali recovery treatment method is to solve the problem of black liquor is more effective way, through the black liquor extraction, evaporation, burning, causticization of the four main sections, black liquor can be SS, COD, BOD together and completely removed, and recyclable Alkali, resulting in secondary steam (energy). However, the alkali recovery system has high technical requirements and high investment in equipment. Since the small and medium sized paper mills are generally unable to bear the high cost of building the alkali recovery system, the alkali recovery system is only mainly used in large paper mills. In addition, the straw pulp produced white mud in the high silicon content, easy to burn back into lime, white mud may cause secondary pollution.

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