Original Source : https://laboratoryquipment.blogspot.com/2020/01/what-to-look-for-when-purchasing.html

Ductless fume hoods are described by multiple names like filtered fume hoods, or carbon-filtered enclosures. Ductless Fume Hoods are self-contained and filtered laboratory enclosures that eliminates dangerous fumes, vapors as well as particles from the laboratory.

Not like conventional fume hoods, investment prices are very cheap plus no ductwork is needed. Hence, countless people think choosing one is a slam-dunk when they first discover them.

There are few crucial things to analyze before reaching the final choice to buy a ductless fume hood. Consider these aspects into careful thought to be sure that a ductless fume hood is the correct decision for the Laboratory Supplies the applications:

2. Is the common application suitable for a ductless fume hood?

Countless different classes of ductless as well as the filtered fume hoods few hoods still restrict application that can be implemented in them. Few ductless fume hoods should only be utilized light-duty instead of process explicit fume hoods. Additionally filtered fume hoods can be utilized for a broad range of chemicals, however, keep in thought that more extensive chemical amounts will ever reduce filter life. 

This indicates that:

• A restricted number of complex chemicals should be applied.
• No excessive heating should be taken out in the hood.
• Unostentatious chemical amounts should be accepted, about 500 mls or less by chemical.
• Mediocre chemical display times should be managed.

2. Will the chemicals included in the application be adequately filtered with the available carbon filters?

Typically, ductless hoods will be equipped with chemical explicit filters. Explicit filter kinds enhance chemical trapping capability for complex chemical groups; but, few chemicals cannot be securely filtered or are not filtered efficiently sufficient to enable ductless hoods to be a financially viable alternative.

2. How frequently will you have to substitute the filters?

Although you won't have the added cost of tube work downloading and wiring together with a standard fume hood you want to consider how often you want to remove your filters, and the maintenance costs associated with that, to add your total yearly filter costs.

Filter lifespans can end from a few months up to two years. You will want to search out how long the expected filter lifespan is for your application so the weigh that against the cost to establish a standard fume hood. It also considers the energy cost of running a standard fume hood which totally replaces tempered air from the laboratory and taxing the HVAC system.

2. How do the pros as well as cons of utilizing a ductless fume hood stability out for you?

If you possess decided that a ductless fume hood is most apparent suitable for the application, the ultimate thing to perform is to decide how the benefits of a ductless fume hood persist up against its disadvantages, plus how both adjust with the organization's overall purposes. 

Conclusion 

These four things are very important to look For When Purchasing a Benchtop Ductless Fume Hoods, before buying benchtop ductless fume hoods these four points will help you.

Original Source: https://laboratoryquipment.blogspot.com/2019/09/explain-different-types-of-fume-hoods.html

Introduction

Fume Hoods are devices to protect the users in a lab from the dangerous toxic vapors and fumes. Certified filters are used to filter out the harmful fumes and provide protection to the user. The box like unit has a tall base. They are mostly used in laboratories. Its main components include sash, air foil, work surface, baffles, exhaust, and hood body.

Different fume hoods

 

Types of fume hoods available in the market include Canopy Fume, Chemical Fume Hood, ADA Fume Hood, Ductless Fume Hood, Extractor Arm Fume Hood, Biosafety Cabinet/ Hood, Variable Air Volume Fume Hood, Perchloric Acid Fume Hood, Portable Fume Hoods, Polypropylene Fume Hood, Walk In Fume Hood, and Radiosotope Fume Hood.

Chemical Fume Hood

Chemical fume hoods are used in the labs to protect the users by handling the harmful chemicals. It reduces the exposure to dangerous vapors and chemicals in a lab. It is developed using a good quality steel.

Ductless Fume Hood

Carbon Filters are used in the ductless Fume Hoods to eliminate vapors and fumes in a laboratory. Carbon filters are environment friendly and advanced. It eliminates the harmful fumes and provides a clean air to the lab. They are cost effective and energy efficient. It also comes with an electronic monitoring system to ensure efficient operation of the carbon filter.

Canopy Fume Hoods

Canopy Fume Hood is used for non-toxic materials. It eliminates odors and heat steam. It is ideal for use over the ovens.

ADA Fume Hood

This ADA compliant fume hood is developed to provide a safe work environment for the technicians. It is engineered perfectly to meet the safety needs by properly aligning digital air flow monitors, switches, lights, and epoxy coated steel for the exterior. It facilitates hand operation.

Low Air Flow Fume Hood

It is developed to operate at reduced rate when compared to the standard unit. It takes less space in a lab. It saves 40% of electricity bill.

Extractor Arm Fume Hood

It is a local exhaust ventilation system. It eliminates local air streams, odors and fumes. Its size varies from 2 inches to 4 inches. The extractor arm fume hoods can be fitted on a wall, bench or a ceiling. It can be customized to suit your lab requirement.

Biosafety Hood

Biosafety fume hoods and cabinets are ideal for labs where communicable diseases are handled. The technicians can safely work with materials that are contaminated with the pathogens.

Variable Air Volume Fume Hood

The volume of air that is exhausted can be controlled in this fume hood. It maintains a constant velocity. It can be used with exhaust controller systems of other producers. It has a sash to provide a clear view to the user. It provides visual clarity with interior lighting.

Perchloric Acid Fume Hood

The steel device is developed to work with perchloric acid. It helps to prevent the formation of perchlorate salt. It can be customized to meet your lab needs.

Those searching for fume hoods can choose the right fume hood for their lab needs and get protection in a lab.

When you are planning to get new furniture for your laboratory gowning room, then it is important for you to look into the detailed specifications of both the furniture and your laboratory. This will ensure maximum utilisation of space can take place. In this article, you will learn about these aspects like specifications of the laboratory gowning room furniture which you should be wary of.

1. Safety first: When you are buying new furniture your laboratory, you will have to ensure that you choose only furniture of those specific designs which will be in consonance with the mandatory safety measures and that they go along with the safety measures of the specific lab room too. Also you must ensure that the designs are following all the essential safety and health stipulations in accordance with the legal requirements. Also protective measures should be incorporated in the designs too.

2. Maximum usability is essential: You will have to set your lab up by taking advice from chemists and lab technicians. The size of your lab should accommodate all your needs and help you achieve what you want to get. You will have to assess the space that you have because storage will be an issue. Also you will not be able to keep corrosive and inflammable substances in regular cabinets and you will need to have flammable cabinets for this purpose. You will require lab sinks too.  So utilize your wall spaces.

3. Desk utilization: Desks will give your chemists the chance to write and do their work, and take important notes from their lab work. You can keep a few desks in your lab, but these desks must be of smaller dimensions so that they do not take large spaces. But it will all depend on the type of work that is done in your lab, so depending on that you should get the desks.

4. Fume hoods: If the experiments which you are working on involve a lot of fumes coming out from beakers then you should have portable fume hoods for ventilating your lab as the poisonous fumes need to be taken out from the lab where people are working. You can place these fume hoods in certain specific places like on flammable cabinets. You should set the lab up and get other equipments around the fume hood.

Countertops: Based on the type of work which you do, you will have to choose counter tops that can be used specifically for your lab and ensure maximum efficiency and usability.  Counter tops will be required if your work has flammable and corrosive substances which would require heating.

There are several other essential specifications about furniture which you should consider for your laboratory. The materials used must be all durable, long lasting and fire resistant. They must have safety measures in their designs. They should also be light weight. These lab furniture would have to be rust and dust resistant and they should be flexible.

This will ensure that your lab space is utilized properly. Hopefully, the information mentioned in this article will have helped you.

Original Source: https://cleatech.blogspot.com/2019/03/top-specification-of-laboratory-gowning.html