bromine

Its high bromine content makes it a very efficient flame retardant additive.

Conclusion: the enemy bromine to mice have long anti clotting vitamin K1 can enemy bromine lung poisoning mice have rescued role.

The bromine liquid and IR spectrum were used for quality analysis, and the results proved that products were aloin A and aloe emodin.

The part work of the kinetics study of the bromine extraction from seawater by the liquid membrane is reported.

The biological activity would also increase when using chlorine or bromine atoms to replace para position of the side chain.

Bromine is one of main chemical composition of concentrated seawater and its concentration is as nearly two times as that in seawater.

In this way a bromine 'handle' for adding extra resveratrol units can be placed in one position or in two positions in a controlled manner.

Petroleum products. Determination of bromine number of distillates and aliphatic olefins. Electrometric method.

Some of the minerals present include potassium, bromine, calcium, magnesium and iodine [source: Atlas Tours].

A halogen is defined as an element in group VII of periodic table, including Fluorine, Chlorine, Bromine, Iodine, Astatine.

Such substances contain the ozone-depleting chemicals bromine and chlorine, and include CFCs and hydrochlorofluorocarbons (HCFCs).

The ratios of gas to particle were temperature-related for low-bromine compounds, but for high bromine compounds, this trend is not obvious.

Alkanes can be chlorinated or brominated by treatment with chlorine or bromine in the presence of visible or uv light .

Adding too much chlorine and bromine to disinfect the water can result in creation of potentially harmful trihalomethanes.

The properties of the product was evaluated by efficiency of scale inhibition, bromine value and calcium tolerance.

Results show that the addition reaction of bromine with acetylene was obviously influenced by light condition.

It was synthesized with 1-octanol as organic solvent from bisphenol-A, bromine and hydrogen peroxide by in-situ bromination-oxidation.

PLASTICS. AQUEOUS DISPERSIONS OF HOMO AND COPOLYMERS OF VINYL ACETATE. DETERMINATION OF BROMINE NUMBER.

Some impurity as well as bromine was brought by solid matter that smuggled with foam fog in flash steam.

and the halogen reagent in the halogenating reaction in the step (1) can be iodine, bromo-succinimide, bromine or bromine analogs.

Astatine is a radioelement, so in general, halogen is defined as Fluorine, Chlorine, Bromine, Iodine.

Chemical analysis of organic products. Determination of bromine number.

Bromine is an oxidizer used as a disinfectant.

Through absorption of bromine vapor, the electrical conductivity of poly(phenylacetylene) (PPA) was enhanced by 1012 times.

Chlorine gas is introduced into bromine container homogeneously to ensure the high conversion rate and high material utilization.

Standards of hygiene begin to dramatically improve with the discovery of bromine.

Incineration of pyrolysis with recovery of bromine or hydrobromic acid.

The oxidizer is oxyacid of chlorine, bromine and iodine and salts thereof, and peroxide.

Rich bromine is contained in the halo id water of gas fields of Sichuan basin. Bromine is very important for the civil economy.

Based on the current situation of domestic and international bromine production, the prospect of bromine production is put for. . .

ASTM D1159-01 Standard Test Method for Bromine Numbers of Petroleum Distillates and Commercial Aliphatic Olefins by Electrometric Titration.

The oxidation proceeds in acetic acid as solvent, with cobalt acetate, manganese acetate and bromine as catalyst, and at high temperature.

The yield was higher using bromine The yield was higher using bromine than chlorine.

The affect of bromine agent amount on bromineconfent in brominated polystyrene was studied.

Bromine Nonmetallic chemical element, chemical symbol Br, atomic number 35.

solution of bromine in carbon tetrachloride?

Both countries extract potash, bromine, and salt from the water.

Bromine is one of important chemical industrial material. Many kinds of bromine compounds have a special value in the national economy.

Be aware that chlorine can cause a false positive in most Bromine tests.

The brominating agent were used instead of liquid bromine in bromination.

ASTM D2710-99 Standard Test Method for Bromine Index of Petroleum Hydrocarbons by Electrometric Titration.

Weifang Sinobrom Imp&Exp Crop. , Ltd was established in 2001, specializing in bromine chemicals import and export.

The influence of slope gradient on the migration characteristics of soil solute such as bromine was significant with shallow flow scouring.

Ancient Egyptians extracted purplish-red dye from fucus-algin, 0. 01% iodine, and some bromine mannite, which resulted in serious illness.

But iodine will liberate neither bromine nor chlorine from their salts.

With half-trace law instead of constant law, bromine ethane not iodine ethane reacts to carbolic acid sodium in order to make benzene ether.

bromide: a binary compound of bromine with another element, such AS silver.

The concentration of bromine, an output's by-product in desalinated seawater, is almost twice than that in the natural seawater.

Determination of the Total Number of Double Bond in PVC by Catalytic Bromine Addition

Bromine Production Automatic Examination Instrument for the Rate of Chlorine in Oxidized Liquid

Picosecond Ultrafast Kinetic Study of Dyes Sensitized Silver Bromine Microcrystals

Effectiveness assessment on the control measures against occupational hazards in the process of bromine production of a chemical plant

Methods of test for petroleum and its products - Determination of bromine number - Colour indicator titration method

Sensitivity of Arctic ozone loss to polar stratospheric cloud volume and chlorine and bromine loading in a chemistry and transport model

Synthesis of a Novel Phosphorus-Bromine-Nitrogen Containing Flame Retardant

Determining the Bromine Content of the Hinder - and - Fire Pharmaceutical Preparation by Oxygen Cylinder Method

water quality - determination of volatile phenolic compounds - after distillation with bromine method

Determining the Adding Rate of Chlorine in Oxidized Liquid in Automatic Control for Bromine Production

Study on deficiency and limitation of current bromine test in determination of unsaturated bonds in hydrogenated petroleum resin

Determination of the degree of hydrogenation for HNBR by bromine-iodometric technique

At present the research of non-cyanidation leaching gold is mainly focusing on the methods of thiourea, thiosulfate, chlorine and bromine;

The Characteristics and Application of Bromine Water Solution and Bromine Carbon Tetrachloride Solution

Synthesis of a Novel Bromine Phosphamide Ester Flame Retardant

Rubber and rubber products; determination of bromine and chlorine content; oxygen flask combustion technique

Anisotropic Electrical Conductivity of Oriented trans-Polyacetylene Doped with Iodine and Bromine

standard test method for total bromine number of unsaturated aliphatic chemicals

Package, transport and usage regulations of bromine in Europe and America (continued)

The Processing Research on the Underground Potassium, Boron and Bromine Bittern of the Sichuan Basin

Synthesis and Application of Phosphorus-Bromine-Nitrogen Containing Flame Retardant

Frost flower influence on springtime boundary-layer ozone depletion events and atmospheric bromine levels

The invention relates to starch derivatives of formula (I), in which: X represents a bromine or iodine atom;

Synthesis and Thermogravimetry Studies of Bromine-Containing Cage Phosphates

Synthesis and Flame Retardant Properties of Novel Dendritic Molecules Containing Bromine

A new remote automatic monitoring-control system applicable to the industrial material of bromine production

Technological Progress in Catalytic Synthesis of Decabromodiphenyl Ether by Brominating Diphenyl Oxide with Bromine Chloride

Application and Research on Lithium Bromine Refrigerating Machines in Engineering

Test Method for Total Bromine Number of Unsaturated Aliphatic Chemicals

determination for the bromine number of benzole products

Determining Free Bromine In Air And Industrial Waste gas With Congo Red Oxidation Fading Spectrophotometry

Research of Application of Bromine Hydroxybenzene as Blood Fingerprint Displayer

Synthesis of intermediate compound containing bromine element

Standard Test Method for Bromine Index of Aromatic Hydrocarbons by Electrometric Titration

Study on the Flame Resistances of the Two Bromine Flame Retardants to Polyethylene

Experiment of interference caused chlorine ion in bromine-phenol red by spectrophotometry

Dynamics and chemistry of tropospheric bromine explosion events in the Antarctic coastal region

Study of Exchange Property of Anion-exchange Fiber on Bromine Ion

Study on the Determination of Trace Bromine by Minus Catalytic Kinetic Spectrophotometry

Bromine Resource in Brines and Its Exploitation Prospect

Cause Analysis and Protection of Leakage Occurred in Refrigeration Machine Using Bromine

Testing method for bromine number of petroleum product (colorindicator method)

Review of Investigations on Absorbers of the Lithium Bromine Refrigeration

Potentiometric method for bromine in brominated epoxy resin by oxygen flask combustion

Porous carbon electrodes for sodium polysulfide-bromine redox flow energy storage cell

to chlorine, bromine, iodine, and stable carboxylic acid as catalyst of chrome plated process;

Determination of free bromine in air by decoloration oxidation action of methyl red with free bromine

Current Situation and Prospect of Elementary Bromine Production

Improvement in the experiment of the synthesis of straight bromine and butane

Determination of Free Bromine in Industrial Wastegas by Extraction Spectrophotometry

bromine ammonium four cube bases ; four phenyl sodium boric acid ; organic compound

Development and application of bromine-washing separator

Analysis and Prospects for Present Status of Production and Utilization of Bromine

The Application of Frequency Converter in Level Control of Bromine Cooling Machine

Comparison of the Effect Between Direct Titration Bromine As KI Oxidant to Examine Salt Iodine

Frequency and extent of bromine oxide formation over the Dead Sea

sodium chloride for industrial use . determination of bromine

Current State of the Development and Utilization of Bromine and Magnesium Resources in Dead Sea

Rubber - Determination of Bromine in the Presence of Chlorine by Oxygen Combustion

study on a novel sodium polysulfide bromine regenerative fuel cell

Determination of free bromine in ambient air and industrial wastegas by spectrophotometry with methyl orange

Determination of Total Bromine in Bread Improver by ICP-AES with Microwave Digestion

Method for Chlorine-Rate Measurement in Bromine Producing Process

Study and Application of Corrosive Resistant Fan in Bromine Production

A bromine and hydrobromic acid leakage induced mass poisoning accident

Package, transport and usage of bromine in Europe and America

Study on the addition reaction between acetylene and bromine solution

Quantum Chemical Study on the Reaction Mechanism of Atomic Bromine and Propene

Application of bromine cooler in alcohol fermentation

A New Process for the Recovery of Bromine by Direct Oxidation of HBr with Chlorine Gas

The Detection of Free Bromine in Wastewater by Gas Chromatography Method

Analysis on the Organic Bromine in the Atmosphere in Beijing

Study on Extraction of Bromine from Seawater with PVDF Hollow Fiber Gas Membrane

Synthesis Technology of Bromine Chloride

Study on the substitution reaction between phenol and bromine

Current Situation and Development of Bromine Retardant Worldwide

Extraction of bromine from brine by emulsion liquid membrane

Research and Manufacture of Three Bromine Powder Agents

Study on Sustainable Development of Potassium Boron Iodine and Bromine in Brine of Sichuan Basin

Sensitivity of ozone to bromine in the lower stratosphere

The Determination of Terpene Styron Bromine Value

Method of Vacuum Extraction of Bromine by Continuous Dual-process

Study on extraction of bromine from seawater with gas membrane

Research on zinc-bromine flow battery technology

Mechanical Properties and Flame Retardance of Low Bromine Flame-retardant ABS

The Study of Bromination of Aromatic Amines by Bromine-supported Resin

Bromine-Ferrometric Method for Determination of Cystine

Control of bromine content in acetic acid solvent system on PTA unit

Active component with chlorine and bromine

Process Study on Leaching Gold from Sulfide Ore with Bromine

Study On Pilot Scale Technology of Bromine Chloride

Methods for determination of bromine in exhaust gas

Carbon material for zinc-bromine battery

Storage and Conveyance of Liquid Bromine

standard test method for bromine in chlorine

Synthesis of low-density bromine doped PMP foam

bromine is a dark red liquid giving off a dense red vapour

Studies on Process of Reaction of Bromine with Benzene

Bromine gas sensor in high volume fraction

extraction of bromine from brine by rip method

The Present Status and Development Consideration of Bromine and Its Series Products in China

Experience in emergency treatment of 32 burning cases caused by bromine