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price of calcium oxide

Brief introduction
Calcium oxide (CaO), commonly known as quicklime or burnt lime, is a widely used chemical compound. It is a white, caustic and alkaline crystalline solid at room temperature.
Product description
Molecular formula: CaO
CAS: 1305-78-8
Appearance: White block or powder
H.S. Code:2825909000
Technical data
Test item | Specification | |
Reagent grade | Pharmaceutical grade | |
Appearance | Conform | Conform |
Assay % | ≥ 98.0 | ≥ 97.0 |
Clarity test | Conform | Conform |
Acetic acid insoluble % | ≤ 0.05 | ≤ 0.1 |
The ignition lose heavy/% | 2 | 5 |
Chloride % | ≤ 0.003 | ≤ 0.01 |
Nitrate % | ≤ 0.004 | ≤ 0.01 |
Sulfate % | ≤ 0.1 | ≤ 0.25 |
Ferric % | ≤ 0.015 | ≤ 0.03 |
Alkali metal % | ≤ 0.5 | ≤ 1.0 |
Ammonia water precipitate% | ≤ 0.2 | ≤ 0.4 |
Properties
Colorless or white block or powder. In the air absorb carbon dioxide and water.The relative density of
320-3.38, melting point 2614 degree, boiling point 2850 degrdd. In water is generated with calcium
hydroxide and give off a lot of heat, slightly soluble in water, soluble in acid. Corrosive. To eyes, respiratory system and skin irritation.
Use
Analytics reagents, spectral analysis reagent, phosphor mechanism. Auxiliary solvent, vegetable oil decoloring agents, gas analysis, used on carbon dioxide absorber. Lot reagents used in semiconductor production of denotation, and diffusion process.
Delivery Detail
1. 1-10 kgs send by FedEx/DHL/UPS/TNT for samples, Door-to-Door.
2. By Air or by Sea for batch goods, for FCL; Airport/Sea Port receiving.
3. Customers specifying freight forwarders or negotiable shipping methods.
4. Delivery Time:1-10 days for samples; 30-40 days for batch goods.
Company information
Zefeng is equipped with the most advanced test equipments, which can significantly enhance the rationality and accuracy of test. Meanwhile, employees of test department must also abide by the standard operational procedures made for them, thus to examine, monitor and verify the production environment, raw materials and products in different phases, and to conduct data management and analysis for innovation and improvement in the standardized practice
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FAQ
Q1: Can i get some samples?
A: Yes, we can supply the free sample, but the shipping cost be paid by our customers.
Q2: How to start orders or make payments?
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union or Paypal or Escrow(Alibaba).
Q3: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples.You can send us your product specifications and requests,we will manufacture the products according to your requests.
Q4:What’s your MOQ?
A:Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid
Q5: How about delivery leadtime?
A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)
Q6:Is there a discount?
A:Different quantity has different discount.
Q7: How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
Q8: How to contact us ?
A:You can chat with us by Trademanager,MSN&Skype Online.
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