Laboratory Measuring Apparatus

Basic Information About Common Laboratory Apparatus

In scientific laboratories, different types of apparatus are used for various functions, including measuring, holding, heating, and mixing substances. Below are some of the most common laboratory containers and their functions:

 

1. Beaker

A beaker is a versatile container used for dissolving, mixing, and heating large amounts of liquids. It has a cylindrical shape with a flat bottom and a spout for easy pouring.

 

2. Test Tube

Test tubes are small cylindrical glass containers used as reaction vessels in experiments that involve small amounts of reactants. They are essential for chemical reactions and biological studies.

 

3. Flask (200 mL)

A 200 mL flask serves as a reaction vessel, a gas generator, or a container for heating liquids and solutions. Its narrow neck helps in controlling the release of gases and prevents spills.

These laboratory containers are essential for conducting experiments safely and efficiently. Understanding their uses ensures better handling and proper laboratory procedures.

Laboratory Holding Apparatus

Laboratory Holding Apparatus: Essential Tools for Supporting Equipment

In any laboratory, various holding apparatus are essential for supporting and securing different types of glassware and equipment. These tools ensure stability, safety, and efficiency during experiments. Below is a list of common laboratory holding apparatus and their functions:

 

1. Clamps

Clamps are used to secure test tubes, flasks, burets, and other laboratory equipment to prevent movement during experiments.

 

2. Clamp Holder

A clamp holder is designed to hold clamps in their proper position, ensuring stability when securing laboratory glassware.

3. Funnel

The funnel helps in transferring liquids into containers without spillage and supports filter paper during filtration processes.

 

4. Iron Ring

Mounted on an iron stand, the iron ring supports beakers, flasks, and other laboratory apparatus, providing stability.

 

5. Iron Stand or Ring Stand

This is a vertical support structure used to mount various laboratory apparatus such as clamps, rings, and funnels.

 

6. Test Tube Holder

Used for holding test tubes while heating or when handling corrosive chemicals, ensuring safety for the user.

 

7. Tripod

A tripod provides stable support for apparatus that do not need to be attached to a stand, such as wire gauzes and beakers.

 

8. Test Tube Rack

This is designed to hold multiple test tubes securely in place, making them easily accessible during experiments.

Each of these apparatus plays a crucial role in laboratory operations, improving efficiency and ensuring the safety of lab personnel. Understanding their functions helps in proper handling and maintenance, making laboratory work more effective.

Read More

Miscellaneous Laboratory Equipments and Articles

Miscellaneous Laboratory Equipment And Articles

Here is the list of other laboratory equipments and articles:

1) Bedpan Brush – This is used for cleaning bedpans and should be cleaned by washing soap and water, then hang dry.

2) Bottle Brush – This is a type of brush used for cleaning tall slender bottles, e.g. feeding bottles.  The method of cleaning is washing with soap and water, then hand dry.

3) IV Stand – This is a slim metal pab used for hanging IVFs; blood transfusion, enema cans, etc.

4) Arm Splint – This is used to immobilize the arms where IVF is inserted.

5) IV Infusion Set – This is a plastic tube that is used to convey IVFs or fluids to the patient through vein. (Macro-drip – in drops, Micro-drip – in micro-drip, Venoset, Saftiset).

6) Butterfly needle – This is a type of needle connected to the IV infusion set to convey fluid from tube to the patient.  This comes in different sizes, measured by gauge.

7) Stretcher – This is a narrow high bed with wheeled legs which is used to transport patients from one place to another in the hospital.

8) Wheel Chair – This is a chair provided with big wheels, also used for transferring patients.

9) Stethoscope – This is an instrument that is used to listen to body sounds--- e.g. breath sound, bowel sound.

10)  Sphygmomanometer – This is an instrument that is used to determine the blood pressure.  The types of sphygmomanometer are:

a.       Mercurial

b.      Aneroid

c.       OR

11) Medicine Tray – This is used to carry medicine glasses with medicines when administering drugs.

12) Pick up Tray – This is used for picking up, transferring sterile objects

a.       Peritoneal

b.      Kelly

c.       Thumb

d.      Tissue

13) Nozzle Tip – This is a small tube with rounded tip connected to a rubber connect when doing vaginal or rectal irrigation.  The types of Nozzle Tips are:

a.       Vaginal

b.      Rectal

14) Floor Lamp – This is a lamp with stand and pliable neck which is used to provide additional light during the procedures.

15) Flash Light – This is used to provide need light

16) Over Ben Table – This is a table in the patient’s room so made that top can be positioned over patient’s bed and can be used when eating or attending to grooming in bed.

17) Chest Drainage System.  This is used to irrigate fluid.

Laboratory Equipments and Articles made of Enamel Wares

Laboratory Equipment And Articles Made Of Enamel Wares

Here is the list of laboratory equipments and articles made of enamel wares:

1. Pitcher – This is receptacle for water and large amount of solution.  The method of cleaning is washing with soap and water.
2. Flushing Cup – This is receptacle of warm water for perennial hygiene.  The method of cleaning is washing with soap and water.
3. Irrigation Can – This is receptacle of solutions as in enemas.  The method of cleaning is washing with soap and water.
4. Kidney Basin – This is receptacle for body secretion and some contaminated articles such as used dressing.  The method of cleaning is rinsing with water if used as a sputum receptacle, autoclave if to be used in sterile procedures.
5. Enamel Cup – This is used as receptacle for some medications during treatment.  The method of cleaning is washing with soap and water, autoclave for sterile procedures.
6. Enamel Bowls –This is maybe sterile or non-sterile according to use; receptacle for solutions during treatments.  The method of cleaning is washing with soap and water, autoclave for sterile procedures.
7. Wash Basin – This is used for water for bed-bath and may also be used as container for some solutions.  The method of cleaning is washing with soap and water.
8. Bath Tub – This is used for bathing and cleaned using soap and water. 
9. Pail – This is also used as a receptacle for water of solution during treatment e.g. bed shampoo, continuous compress and should be cleaned by soap and water.
10. Bedpan – This is used as receptacle for urine and stools for patients who cannot tolerate going to the comfort room.  The method of cleaning is washing with soap and water.
11. Urinal – This is used as receptacle for urine of male patients, who are non-ambulatory.  The method of cleaning is washing with soap and water.
12. Tray – This is used as a container of some articles to facilitate transport.  This maybe sterile or non-sterile.
13. Sputum Cup – This is used as a receptacle for sputum and can be cleaned by rinsing with water.
14. Cotton Jars – These serve as container for sterile cotton and should be cleaned using soap and water, then autoclave.
15. Enamel Can – This serve as container for sterile articles.  The method of cleaning is washing with soap and water, then autoclave.
16. Boiler or Sterilizer – This is used for sterilization purpose and cleaned by rinsing with soap and water.
17. Powder Shaker – This is serves as container for powder used for gloving.

Laboratory Equipments and Articles made of Rubber

Laboratory Equipment And Articles Made Of Rubber

Stated below are the laboratory equipments and articles:

1. Rubber Sheet – This is to protect the linen or bed mattress from getting soiled; used in post-operation beds, when giving shampoo or enema.  The Method of Cleansing: wash with soap and water; hang to dry and air to remove odor.
2. Kelly Pad – This is to direct the flow of water to a pail as in rendering hair shampoo; also used in gynecologic and obstetrical procedures.  Wash with soap and water; rinse and hang to dry; inflate with small amount of air.
3. Ice Cap – This is used to dry cold application over the forehead for fever; over the breasts to relieve congestion or on areas with inflammation.  Wash with warm soapy water; rinse and hang up (dry) side down to dry; fill with air before closing to prevent sticking.
4. Ice Collar – This is for dry cold application for chilly patients to keep them warm; also over areas of inflammation.  The method of cleaning is washing with warm soapy water; rinse and hang up (dry) side down to dry; fill with air before closing to prevent sticking.
5. Hot Water Bag – This is used for dry heat application for chilly patients to keep them warm; also over areas for inflammation.  The method of cleaning is washing with warm soapy water; rinse and hang up (dry) side down to dry; fill with air before closing to prevent sticking.
6. Rubber Ring – This is used to elevate areas from flat surface to prevent pressure and sores.  The method of cleaning is washing in warm soapy water, hang dry; inflate small amount of air before storage.
7. Catheters:

a.   Urethral Catheter– This is for drainage or decomposition of the urinary bladder

·  Nelaton or Straight – This is for sin le decompression in cases of collecting sterile specimen for urinalysis and culture and sensitivity.

·   Two-way Catheters which are

(1)   Foley Bag Catheter – This is used often as a retention catheter; it is anchored by inflating it with water using syringe and needle.  The amount of water used to inflate is indicated in the catheter.

(2)   Akron – This is also anchored by inflating the balloon with water by only the hub of the syringe is used.

· Three-way Catheter which is with opening for inflation, connection to a cystoclysis set and drainage.

·  Malecot – This is for drainage of bigger articles like blood clots, tissue and sediments.  The method of cleaning is washing with warm soapy water; milk tube and flush with syringe, rinse, dry and autoclave.

b. Rectal Catheter – This is for rectal irrigation, enemas and for the relief of flatulence.  The method of cleaning is removing feces with tissue paper, wash with soapy warm water, rinse, dry and autoclave.

c. Nasal Catheter – This is used for oxygen inhalation.  The method of cleaning is by removing mucus with tissue paper, wash with warm soapy water, rinse, dry and autoclave.

d. Suction Catheter – This is used to remove secretions from nose and mouth.

e. T-Tube – This is inserted to the Common Bile Duct for drainage after Billiary Surgery.

f.  Levine’s Tube – This is for administration of gavages feeding and for gastric decompression.  The method of cleaning is removing nasal discharges and other secretions with tissue paper, rinse under cool running water, remove any adhesive with Benzene; then wash in warm soapy water, flush catheter with bulb syringe then dry.

Apparatus used for Measuring in the Laboratory

Apparatus Used For Measuring In The Laboratory

Here are the apparatus used for Measuring in the Laboratory:

1.      Balance and Weights – this is used to weigh materials in the laboratory.

2.      Buret – this is a graduated glass tube used in volumetric analysis for measuring definite and accurate amount of liquid.

3.      Graduated Cylinder – a cylinder closed at one end and calibrated in the Metric system; used to measure the amount of liquid sample, never use it as a reaction vessel.

4.      Dropper or pipettes – this is used to transfer / measure small amount of liquid samples.

5.      Spatula – this is used to remove or scoop out solids from the container.

6.      Thermometer – this is used to measure temperature, in Degree Celsius (⁰C) or Degree Fahrenheit (⁰F).

Apparatus used for holding and holding things in the Laboratory

Apparatus Used For Holding And Holding Things In The Laboratory

Listed below are the apparatus used for holding and holding things in the Laboratory:

1.      Clamps – this is used to support test tubes, flasks, burets, etc.

2.      Clamp Holder – this is used to hold clamp in its proper position.

3.      Funnel – this supports the filter paper and facilitates the introduction of liquid to prevent spilling.

4.      Iron Ring – this is mounted on an iron stand to support beakers, flasks, etc.

5.      Iron Stand or Ring Stand – this is used to mount apparatus.

6.      Test Tube Holder – this is used to hold test tube while heating and when working with corrosive reagents.

7.      Tripod – this is to support apparatus which does not have to be attached.

8.      Test Tube Rack – this is used to keep a supply of test tubes for use.

Apparatus used for heating in the Laboratory

Apparatus Used For Heating In The Laboratory

Hereunder are the apparatus used for heating in the Laboratory:

1.      Bunsen burner – this is used as a source of heat in the laboratory.

2.      Pipe Stem or Clay Triangle – this is used to support the crucible while heating.

3.      Wing Top or Fish Tail – this is placed over the barrel of a burner to spread the flame.

4.      Wire Gauze or Asbestos Pad – this is used to separate beaker and flask from direct heat of the burner.

Apparatus used as container in the Laboratory:

Apparatus Used As Container In The Laboratory

Here are the apparatus used as container in the laboratory:

1.      Beaker – this is used to dissolve, mix and heat liquids in large amounts.

2.      Test Tube – this is used as a reaction vessel for experiments involving small amounts of reactants.

3.      Flask 200 ml – this is used as a reaction vessel and sometimes as a gas generator and to hold liquid or solutions which are to be heated.

4.      Volumetric Flask – this is used for diluting and preparing accurate volume of solution.

5.      Evaporating Dish – this is used to evaporate the liquid from a solution leaving a solid material.

6.      Watch Glass – this is used for spontaneous evaporation for liquids and as a container for weighing.

7.      Mortar and Pestle – this is used for grinding solids to a powder form.

8.      Crucible – this is used for high temperature ignition.