Our quality guarantee
We guarantee the quality via following several ways:
We offer sample for testing before order;
Advance Pre-shipment sample is available from same batch of the order;
We support third party inspection such as SGS, Intertek or others, can send sample to their lab, invite them test material in factory, or testing in sea port before loading to containers;
If any quality complain, we will give response in 24 hours, as long as buyer show correct third-party testing result, we take corresponding measures in first time;
Quick details for Fluorescein Sodium Salt
CAS: 518-47-8
Molecular Fomula: C20H13NaO5
Appearance: orange powder
Purity: 99%min
Specification for Fluorescein Sodium Salt
|
Item |
Specifications |
Results |
|
Molecular Formilar |
C20H10Na2O5 |
|
Molecular Weight |
376.28 |
|
Sensitivity Test to Br |
Pass |
Pass |
|
Soluble test in water |
Pass |
Pass |
|
Water (H2O) |
≤7.0% |
3.3 |
|
Conclusion |
The results conforms with Q/SS•237-2004 standards |
Usage for Fluorescein Sodium Salt
1. Mercu ry bromine red intermediates. Fluorescence photometric reagent for the determination of chl orine, br omine, io dine, sulfur ions; oxidation-reduction indicator reagent; biological stain.
2. Fluorescence photometric analysis of sulfur ions, testing of bromine, titration of chlorine, brom ine and i odine. Adsorption indicator, redox indicator.
3. Adsorption indicator; redox indicator; fluorescence spectrometric analysis of sulfur ions; titration of chlorine, bromi ne and iodin e.
Package for Fluorescein Sodium Salt
25kg/fiber drum, or as your requirements.
Storage for Fluorescein Sodium Salt
Storage in clean and dry place.
Our Certificate
Packing
1kg/aluminium foil bag, with two plastic bags inside.
· 25kg/fiber drum, with two plastic bags inside.
· 25kg/bag, with two plastic bags inside.
25kg/carton box with two plastic bags inside.
Delivery
≤50kg, Courier door to door delivery recommended;
≤500kg,Air shipping recommended, CIP to your airport;
>500kg, Sea shipping recommended, FOB, CFR, or CIF to your sea port;
For high value products, please select air shipping and courier delivery for safety.
About us
Refine Chemical is a manufacturer and exporter for chemical materials. We have diversified activities in R&D, production, sales and also trading. Our factory was established in September of year 2000 with total area 150,000 square meters, we specialize in the business of organic intermediate, daily chemical, catalysts & chemical auxiliary agents, and fine chemicals. Our company has passed ISO9001, ISO14001 quality and environmental management system certification.
With the increasing of export business, our exporting company was established in the year of 2015. In the past 7 years since its establishment, we have won many high-quality customers ranked high in the industry with high-quality products, first-class services and most competitive prices. Our products are exported to Japan, South Korea, Europe, the United States, South America, Southeast Asian countries, and have been highly praised by customers.
We also have an international procurement team to engage in procurement of chemical engineering materials in China for international companies. Based on our considerate service and strict quality management procedure, we have assisted many foreign large-scale companies in completing the procurement of various chemical engineering products, and got high evaluation.
We will be always committed to becoming the best choice for customers in chemical industry.
Our Service
FAQ
1.DO YOU ACCEPT SAMPLE ORDER?
We accept sample orders. We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
2.HOW TO CONFIRM THE PRODUCT QUALITY BEFORE PLACING ORDERS?
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.
3.WHAT'S YOUR MOQ?
Our MOQ is 1kg. Usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
4.DO YOU SUPPLY PRODUCT REPORT?
Yes. We'll give you product analysis report before shipping.
5.IS THERE A DISCOUNT?
Different quantity has different discount.
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