Complaint
What Is Eriochrome Black T?
Eriochrome Black T is a black-brown powder. Soluble in water and appear jujube red to paddle red; Slightly soluble in alcohol, and brownish magenta;Dark blue in concentrated sulfuric acid, light reddish brown after dilution. The solubility in water (90 °C) is 25 g/L. When dyeing copper, iron, the color light has a greater impact.
Appearance | Dark powder |
Tinting Strength (%) | 100 |
Shade | Similar to standard |
Moisture (%) | ≤5 |
Insolubles(%) | ≤1 |
25kgs/bag,20tons/20'container
Unilong Industry Co.,Ltd. is a growing high-tech chemical enterprise, and located in Zibo Zhangdian chemical industrial park of Shandong province. Now Unilong company already is a world leading professional manufacturer and distributor for fine chemicals materials.
With the development of society, more and more people pay more attention to environmental health.In recent years, we are engaging to expand new materials field and also set up a researching team, particularly for the fields of nutrition, skin care, daily care chemical materials.
Q1: Are you trading company or manufacturer?
A1: We are chemical factory in China. So we can provide wholesale price.
Q2: How can I get the samples?
A2: We can provide you sample for our existing products, the lead time is about 1-5 days.You just need to pay the sample
Q3: Can you provide relevant certificate?
A3: Of course. We can provide Commercial Invoice, Packing List, Bill of loading, COA and Origin certificate.
Q4: Do you accept third party inspection?
A4: Yes.we do.
Q5: How long is your delivery time?
A5: Generally it is with 7 days if the goods are in stock. According to quantity your required,the delivery time may slightly change.
Q6: What's your terms of payment?
A6: We can accept various payment methods, L/C, T/T, Paypal, Western Union etc.
Q7: Can your company accept the special requirements of your customers?
A7: Of course, we can.
