Detailed instructions how to wash glass construction

Laboratory tools need to keep it clean and be disinfected after use. So washing of laboratory instruments What is the standard of. The following article Innotec professional lab will guide you to tips wash the types glass tools in the laboratory….

The note when washing chemical laboratory instruments

• Define and understand the nature of the objects that laboratory instruments has (are) contain or have (are) contact.
• Determine appropriate washing method based upon the nature of the substance and shape , the texture of the glass
• Chemical preparation, wash utensils and labor protection correlating
• Select the method, proper drying sterilization corresponds with the type of glass instruments and experimental conditions, handling of discarded glass occurs during wash.

B1: Handle the glass before washing :

1. Purchased new glass tools, not yet used should be soaked or dilute H2SO4 acid solution for about 24 h, then wash with water with SOAP several times until neutral pH.
2. The instruments use microbial cultivation should be washed and disinfected in autoclaves.

B2: Wash the glass construction

1. Coated tools with clean water to remove the dirt most of the dirt can cling on glass
2. Use abrasive soaps or absorbent pads swab alcohol to wipe the recording symbol by markers on the glass if there.
3. Select appropriate wash brushes with each type of pipe, the average, If necessary a small sucking pads to Burkina Faso should iron at the broom does not pierce the bottom of the jar or test tubes. Use a broom to wash carefully the brush SOAP in absorbent, use a soft towel to wipe the outside of. Flush with water several times, should be coated again with distilled water pH to neutral.
4. To soak in solution pipet sunfocromic about 1 day, switch to the average wash pipet automatically to wash directly under tap water to the water flows inside the pipet, wash with SOAP then rinse several times with water, rinse with distilled water.
5. After finishing tools needed washing over backwards to drain, dry at room temperature or drying at temperatures of 600c to 1000c .

B3: Sterilize when washing glass construction :

1. Pipet: Stuffing a small piece of cotton just right on top of straws, for metal pipes stainless back into spiky in the latest pointed piece packaging paper or use a pipet or each bundle with the same size, forced 2 top, mark the first part-, After disinfecting avoid touching sharp head of the pipet.
2. Test tubes, triangular vase, the average request if no button must then be cover cotton button, recommended grease cotton (waterproof cotton) to do suck. Cotton button functions as a sterile gas filtration tools so it should have just the right thickness so that the air can pass but the microorganisms on hold.
3. Sterilization drying: The glass has sealed packaging on drying, not to have a tube cotton button on the price in the fire under pane, do not stack too tightly to the air circulation can heat glass tools, the temperature is maintained from 160-180 degrees C in 1 h. When the temperature is equal to the temperature in the room then took the tool out.
4. Sterilization by autoclave: Sterilization by autoclave at 120-125 degrees C in 30 minutes, After the disinfection should be dried.

   ATTENTION: REMOVE THE SCRAP GLASS BEING SHATTERED WHEN WASHING

Although the each lab has a purpose and how to use the various laboratory equipment but the cleaning and preservation of experimental tools are needed. In the article is washing laboratory instruments standard and science that innotec professional lab guide. Thanks for reading the article. don't forget to share for everyone to know ya !