China Factory Direct Ferric Oxide CAS 1309-37-1 in Stock

Citric acid can be used as a chemical analysis reagent for chemical analysis, as an experimental reagent, a chromatographic reagent and a biochemical reagent; as a complexing agent and a masking agent; for preparing a buffer solution. The use of citric acid or citrate as a builder can improve the performance of the washing product, can quickly precipitate metal ions, prevent the re-attachment of contaminants on the fabric, maintain the necessary alkalinity for washing, and disperse and suspend the dirt and ash; Improves the performance of surfactants, is an excellent chelating agent; can be used as an acid-resistant reagent for testing architectural ceramic tiles.

Henan Qingji Technology Co., Ltd.     

We are Henan Qingji Technology Co., Ltd. It is an enterprise engaged in the production of pharmaceutical intermediates, organic intermediates and chemical products.Our goal is to survive by quality and develop by reputation. The company has established long-term technical cooperation relationships with experts and professors from many universities and research institutes in the province. Raw materials are strictly controlled in all aspects to ensure maximum quality and efficiency. Excellent quality, reasonable price, fast delivery, high-quality service and safe and effective transportation.Product ordering ranges from milligrams to tons to ensure that we meet your various needs.

Our six advantages

Top quality:  quality assurance, once found problems, we will re - deliver for you.

Quick delivery:   We have stock and can deliver your goods quickly once payment is received.

Quality service:  we will give you enthusiastic after-sales service, if there is any question we will reply to you within 24 hours.

Team professional:   our team is professional, the equipment is advanced.

Safe shipping:  ocean express, air freight. The most professional forwarder will recommend it to you.

Competitive prices:  If your order is a large one, we'll give you a discount. The first cooperation of friends, we will give you   preferential.

About transportation

Material bag 1-25kg, aluminum bag outside, double plastic bag inside. Or according to customer requirements.

Delivery time: delivery within 1-2 working days after payment.

Transportation: according to the customer's transportation requirements, we have professional transportation agents.

Express: Fedex, DHL, EMS, UPS and other sea and air.

FAQ

1.   Are you a manufacturer or a trading company?

We are manufacturers. For some special or rare items, we can also do trade for you.

2. Is the price on the page the final price?

It isn't. The price of some products may change from time to time. The actual price is subject to the salesman's quotation.

3.What's  your  minimum  quantity?

Our  minimum order quantity  is  based  on your  requirement.

4. How long will production and delivery take?

Most of our products are in stock and delivery time is 1-2 business days after receipt of payment. ≥200 kg, sea port, generally take 18~25 days.

5. How about the packing?

1kg/aluminum foil bag, 20kg/carton, 25kg/drum and OEM packaging. (If you have special requirements, please contact customer service)

6. What payment terms are acceptable?

AT/T, Western Union and Bitcoin. Payment can be made on request.