The resulting ferroso-ferric bromide is dissolved in water, sodium carbonate added, the solution filtered and evaporated Uses Sodium bromide can be used in the photosensitive industry, perfume industry, printing and dyeing industry, etc. It can also be used for trace determination of cadmium, ...
The solution is decolorized, filtered, and concentrated to obtain sodium bromide. The present invention has low power consumption, short period, saving in hydrobromic acid and low cost.CN李茂山
Melting Point: 755℃ Boiling Point : 1390℃ Specific Gravity: 3.203 Solubility: 1g of product can be dissolved in 1.1ml of water, aboat soluble in 16ml of ethanol, soluble in 6ml of methanol Storage Conditions: Sealed and keep away from light.Related...
DESCRIPTION: white or colorless cubic crystalline, or white particle or powder, relative density in 3.339(at 17.5℃),melting point on 747℃,boiling point on 1390℃,easily dissolved in water, slightly dissolved in alcohol. APPLICATION: Be used for photographic, pharmaceutical, oil well completion li...
A typical method involves adding iron to bromine water to form ferrosoferric bromide, Fe[FeBr5]. This double salt is dissolved in excess water followed by addition of sodium carbonate. The product mixture is filtered and the filtrate is evaporated to crystallize sodium bromide. The overall ...
Thesolid or its solution is dissolved or diluted inlarge volume of water. Diluted acetic acid oracetone is then slowly added to this solutionin a well-ventilated area. Hydrogen generatedfrom decomposition of borohydride shouldbe carefully vented out. The pH is adjustedto 1. The solution is then...
Phenol Red, 0.01% solution. Dissolve 10mg of the reagent in 1ml of 0.1MNaOH and dilute the solution with water to 100ml. Standard bromide solution: 1mg/ml. Dissolve in water 1.4900g ofpotassium bromidedried at 110°C, and dilute the solution with water in a volumetric flask to 1 litre...
Sodium bromide 1.0 g, 10 mmol skin, eye and respiratory irritant, prolonged exposure may lead to bromide rashes Sulphuric acid 2 ml highly toxic, ingestion may be fatal, skin contact can lead to severe burns, chronic exposure may result in lung damage and possibly cancer Method [50] 1. To...
The content of flask was stirred for 0.5 h at room temper- ®ature and then tetraethylammonium bromide (25.23 g, 120.05 mmol) was added portionwise for 3 h. The resulting mixture was stirred overnight, after that time it was passed through the Celite , concentrated under...
In this method, high-quality baking soda is dissolved in water according to the calculated amount and neutralized with citric acid to prepare drug grade sodium citrate through concentration and crystallization. It is characterized by mild reaction conditions, good product quality and good process ...