1. The determination ofm - cresol content by brominating volumetric method was investigated.

2. METHODS: Abolishing of brominating step and optimizing of etherifying reaction.

3. With C 9 petroleum resin and bromine as materials , a brominating C 9 petroleum resin was synthesized.

4. Application: Important Material of organic synthesis, often used as brominating reagent for the synthesis of bromo substituted organic compounds.

5. This paper reports the synthesis of brominated polystyrene (BPS), which used polystyrene as the raw materials and BrCl as the brominating agent.

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6. A method for the determination of phenol in printing ink by brominating derivatization and gas chromatography is described.

7. This works put forward a method of synthesis of thiophene alcohol and discuss carefully the way of reducing by-product and condition of brominating and Gall's.

8. Bromination of 4-nitroaniline with hydrobromic Acid and hydrogen peroxide as brominating agent in dilute sulfuric acid was studied.

9. Inquired into the influences of temperature, amount, speed and solvent on the brominating addition reaction, and discussed the operation crafts of separation and crystallization.

10. In an attempt to add resveratrol monomers at different locations, the team experimented with a range of brominating reagents.