Conical Separatory Funnel
2.Big mouth Funnel：90mm/170mm/210mm/260mm
3.Wide-mouthed funnel: 150mm/200mm/250mm/300mm
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Description
Technical Parameters
The main function of the conical separatory funnel is to separate two kinds of non-phase solution.In the funnel,due to the difference in material density,the heavy material will sink,and the light material will remain above,so as to achieve the separation of the material.It is an efficient and practical separation equipment.
It can not only help students master the basic operation skills of chemical experiments,but also cultivate students' innovative thinking and practical ability,and also help to strengthen students' safety education and environmental awareness training.
Parameter
Triangular Funnel
Big mouth Funnel
Wide-mouthed funnel
conical separatory funnels in the chromatographic separation of blood samples
► Principles of chromatographic separation of blood samples
Chromatographic separation of blood samples is usually based on the difference in partitioning of different components (e.g., plasma, erythrocytes, proteins, etc.) in two phases (e.g., aqueous phase versus organic phase). Separation is achieved by a conical dispensing funnel through the following steps:
1) Mixing and Oscillation: The blood sample and the extractant (e.g. organic solvent) are added to the dispensing funnel and oscillated to bring the two phases into full contact.
2) Static layering: Using density differences, the different components are layered (e.g. organic phase in the upper layer, aqueous phase in the lower layer).
3) Separation: controlled by the piston, release the lower layer of liquid (such as aqueous phase), retain the upper layer of liquid (such as organic phase).
► The applicability of conical dispensing funnel in blood sample chromatography
1) Advantage:
Simple structure: conical design facilitates observation of the layered interface, suitable for small-scale experiments.
Flexible operation: liquid flow rate can be controlled by a piston, reducing component loss.
2) Limitations:
Limited processing volume: blood samples are usually small in volume and the volume of the dispensing funnel (e.g. 50-250 mL) may require multiple operations.
Easy to dissolve blood: violent oscillation may lead to rupture of red blood cells, releasing haemoglobin and interfering with the separation effect.
► Operation points and precautions
1) Pre-treatment:
Blood samples need to be pre-centrifuged to separate plasma and red blood cells to reduce the risk of haemolysis.
Extractants should be compatible with blood components (e.g., avoid strong acids and bases).
2) Shaking and standing:
Shake gently and avoid violent shaking.
The resting time needs to be sufficient (e.g. 10-15 minutes) to ensure complete stratification.
3) Liquid Dispensing Tips:
When releasing the lower liquid layer, the piston needs to be opened slowly to avoid disturbing the interface.
The upper layer of liquid needs to be poured out from the upper port of the funnel to prevent residue.
Performance in the pharmaceutical industry
Improve production efficiency
In the pharmaceutical process,the conical separation funnel can be used to separate the mixture of low density and high density substances,such as solid particles in the liquid medicine,solvents of different densities,etc.With fast and precise separation,waiting time and processing time in the production process can be significantly reduced,thus increasing production efficiency.
Guarantee drug quality
The separation process of the cone separation funnel is based on the difference in material density,and this physical separation method avoids the possible contamination and side effects of chemical treatment.At the same time,by precisely controlling the separation conditions(such as temperature,pressure,flow rate,etc.),the stability and purity of the drug composition can be ensured,thus ensuring the quality of the drug.
Simplify operation process
In the pharmaceutical industry,conical separation funnels are often used in conjunction with other equipment(such as reactors,stills,filters,etc.)to form a complete drug production process.Its addition makes the whole process smoother and more efficient,reducing the labor intensity and operational complexity of the operator.
Performance in the field of environmental protection
Efficient separation of harmful substances
In the treatment of waste water,waste liquid and other environmental problems,it can effectively separate harmful substances from harmless substances.For example,in the treatment of wastewater containing heavy metal ions,heavy metal ions can be separated from other harmless components through it,so as to achieve the purification of waste water.
Precise emission control
The precise control function of the cone separation funnel makes the environmental treatment process more fine and controllable.Through its piston or cock,the emission of harmful substances can be precisely controlled,thus avoiding secondary pollution to the environment.This function is particularly important when dealing with exhaust gases that contain harmful gases,ensuring that the exhaust gas is fully purified before discharge.
Improve resource utilization
The separation process of the cone separation funnel not only contributes to environmentally friendly treatment,but also improves the utilization of resources.By separating harmful and useful substances,the reuse and recycling of resources can be achieved.For example,when dealing with waste containing valuable metals,it can separate the metal from other impurities,so that the metal can be recycled and reused.
Simplify the environmental treatment process
Its addition makes the environmental treatment process simpler and more efficient.Through the use of other environmental protection equipment,a complete environmental protection treatment system can be formed.For example,in the treatment of industrial wastewater,it can be combined with sedimentation tanks,filters and other equipment to achieve multi-stage purification and treatment of waste water.
Economical
Manufacturing costs are relatively low,which makes its market price more affordable.For laboratories,pharmaceutical factories and other places that require frequent use of separation equipment,choosing a cone separation funnel can effectively reduce equipment procurement costs while ensuring the separation effect.
The service life is relatively long,and the separation effect can be maintained for a long time.This reduces the frequency with which equipment needs to be replaced due to damage,thereby reducing costs over the long term.
The efficient separation ability of the cone separation funnel allows it to quickly separate substances of different densities,avoiding waste of materials.In the pharmaceutical,chemical and other industries,the cost of raw materials is often high,so by precisely controlling the separation process,unnecessary material losses can be reduced and resource utilization can be improved.
The operation is simple and the separation speed is fast,which greatly saves the time cost in the experiment or production.For places that require frequent separation operations,choosing it can significantly improve work efficiency,thereby creating more economic benefits for the enterprise.
The structure is simple and clear,easy to clean and maintain.This reduces the complexity and cost of equipment maintenance,allowing enterprises to focus more on the development of their core business.
Applicable substance
Separation of liquids from solids
In the laboratory,when it is necessary to remove sediment or solid impurities from the solution,it can be used for filtration operations.For example,after the preparation of chemical reagents or chemical reactions,there are often solid products or impurities formed,which can be separated from the solution by it.
Separation of liquid from liquid
By the action of gravity,the denser liquid will be deposited on the bottom of it,while the less dense liquid will float on the upper layer,thus achieving the separation of the two liquids.The separation method has been widely used in chemical analysis,pharmaceutical,food processing and other fields.
separation of gas and liquid
When preparing gases in the laboratory,it may be necessary to remove water vapor or other liquid impurities from the gas.At this time,its separation principle can be used to separate the gas from the liquid by condensation or sedimentation.
Market trends and prospect
Technological innovation
With the continuous progress of science and technology,production technology is also constantly innovative.In the future,more efficient and intelligent separation technologies will continue to emerge,driving the continued development of the market.
Environmental protection requirement
With the continuous improvement of environmental awareness,the requirements for environmental protection are getting higher and higher.In the future,those that meet environmental protection requirements will be more popular.
Individual demand
With the increasing demand of consumers for individuation,manufacturers also need to provide more personalized products and services to meet the market demand.
The effect on chemistry
► Improve the accuracy and efficiency of chemical experiments.
►To promote the development of chemistry research and teaching.
►To promote innovation and development in the chemical industry.
►Improve safety and environmental protection in the chemical field.
Experimental application
►Check device air tightness test
1) All its outlets can be closed,you can use the water seal clamp or water seal and other methods.
2) Change the pressure of the gas in the sealing device,such as covering the outside wall of the funnel with your hand or using water.
3) Observe whether there are bubbles or whether the liquid level drops to determine whether the air tightness of the device is good.
► Purification and physical properties test of liquid organic matter
1) The crude ethyl acetate was separated and purified
Acid removal:Coarse ethyl acetate and saturated Na2CO3 solution were added into the conical bottle. After oscillation,the bottle was transferred to the separator funnel to stand and remove the water layer.
Alkali removal:Add saturated salt water into the organic layer,leave it to rest after shaking,and then separate the water layer again.
Dealcoholize:Wash the organic layer with saturated calcium chloride and separate the water layer.
Calcium chloride removal:Wash the organic layer with water and then separate the water layer.
2) Drying of liquid compounds
The organic layer in the separating funnel was transferred to the drying conical bottle,and anhydrous magnesium sulfate was added for drying.
3) Further purification and determination of transitivity of liquid compounds
The dried organic layer is filtered into a distillation flask for distillation,the fraction is collected and its refraction is determined.
► Chemical reaction rate measurement experiment
It can also be used in the determination of chemical reaction rate experiments. For example,when comparing the reaction rate of different shapes of iron (fine iron wire and scrap iron) with sulfuric acid,you can use a conical separation funnel to add an equal amount of sulfuric acid solution to two conical bottles,and observe and record the rate of hydrogen generated by the reaction.
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