United Scientific BM2000 Borosilicate Glass Media/Storage Bottle

1. Introduction

The United Scientific BM2000 Borosilicate Glass Media/Storage Bottle is designed for general purpose laboratory use, ideal for storing and preparing various media and solutions. This bottle features permanent white imprinted graduations for accurate volume measurement and a dedicated marking spot for labeling. Constructed from high-quality borosilicate glass, it offers excellent chemical resistance and thermal stability.

Figure 1: United Scientific BM2000 Borosilicate Glass Media/Storage Bottle, 2000ml capacity, showing graduations and blue polypropylene cap.

The bottle is supplied with a liner-less polypropylene screw cap and a drip-free ring, both of which are autoclavable. The screw thread opening has an internal diameter of approximately 30 mm, facilitating easy filling and pouring.

2. Setup

1. Unpacking: Carefully remove the bottle and its components (cap and drip-free ring) from the packaging. Inspect for any signs of damage during transit. Do not use if the glass is chipped or cracked.
2. Initial Cleaning: Before first use, wash the bottle, cap, and drip-free ring thoroughly with a suitable laboratory detergent and rinse with distilled water.
3. Assembly: Ensure the drip-free ring is properly seated on the bottle neck before screwing on the cap. The cap should be tightened sufficiently to prevent leaks but not overtightened, especially if autoclaving.

3. Operating Instructions

3.1 Filling and Measuring

• Use the permanent white graduations on the side of the bottle to accurately measure liquid volumes up to 2000 ml.
• For precise measurements, ensure the bottle is on a level surface and read the volume at eye level at the bottom of the meniscus.
• Utilize the designated white marking spot for temporary or permanent labeling of contents, date, or other relevant information.

3.2 Temperature Considerations

• The borosilicate glass bottle has a maximum use temperature of 450°C (842°F).
• The polypropylene cap and drip-free ring are autoclavable up to 140°C (284°F).
• When heating or cooling, ensure gradual temperature changes to prevent thermal shock, which can damage the glass.

3.3 Autoclaving

• Before autoclaving, loosen the cap by approximately one full turn to allow pressure equalization and prevent bottle breakage.
• Ensure the cap and drip-free ring are within their maximum temperature limit of 140°C.
• Allow the bottle to cool completely before tightening the cap after autoclaving.

4. Maintenance

Proper maintenance ensures the longevity and accuracy of your media bottle.

• Cleaning: Clean the bottle immediately after use to prevent residue buildup. Use appropriate cleaning agents for the substances stored. The bottle can be washed manually or in an automatic glassware washer.
• Sterilization: The bottle, cap, and drip-free ring are fully autoclavable. Follow standard laboratory autoclaving procedures, ensuring the cap is loosened during the cycle.
• Storage: Store clean, dry bottles in a safe place to prevent accidental breakage. Avoid storing heavy items on top of the bottles.
• Inspection: Regularly inspect the bottle for any chips, cracks, or scratches, especially before heating or pressurizing. Damaged glassware should be immediately removed from service and disposed of safely.

5. Troubleshooting

• Leakage from Cap:

  Possible Cause: Cap not tightened sufficiently or drip-free ring improperly seated.

  Solution: Ensure the drip-free ring is correctly positioned and tighten the cap firmly. Do not overtighten, as this can damage the cap or bottle threads.

• Bottle Breakage During Autoclaving:

  Possible Cause: Cap was too tight, preventing pressure equalization, or rapid temperature changes.

  Solution: Always loosen the cap by one full turn before autoclaving. Ensure the autoclave cycle allows for gradual heating and cooling. Inspect bottles for existing damage before use.

• Stains or Residue:

  Possible Cause: Inadequate cleaning or prolonged exposure to certain chemicals.

  Solution: Clean immediately after use. For stubborn stains, use appropriate laboratory cleaning solutions or consider a glassware brush. Ensure thorough rinsing.

6. Specifications

7. Warranty and Support

For information regarding product warranty, returns, or technical support, please contact United Scientific directly or refer to their official website. Keep your purchase receipt as proof of purchase.

United Scientific Contact Information:

• Website: www.unitedscientific.com
• Customer Service: Refer to the website for contact numbers or email addresses.

When contacting support, please have your product model number (BM2000) and purchase details ready.