Description
Product Overview
The EISCO 35 ml weighing bottle is a precision‑engineered laboratory container made from premium borosilicate glass. This material provides superior thermal shock resistance and chemical durability, ensuring the bottle withstands a wide range of solvents and reagents. The low‑form, round silhouette measures 1.9″ (50 mm) in outside diameter and 1.2″ (35 mm) in height, offering a compact footprint while maintaining a generous 35 ml capacity. An interchangeable ground stopper creates a tight seal, preventing evaporation and contamination during weighing or transfer operations.
Usage
Designed for scientific and industrial labs, this weighing bottle excels in tasks such as preparing standard solutions, transferring liquids, and conducting gravimetric analyses. Its clear glass body allows easy visual inspection of volume and purity, making it suitable for chemistry, biology, and environmental testing. The bottle’s hand‑wash‑only care ensures longevity, and its reusable nature supports sustainable laboratory practices. 
Why Choose Us
EISCO is a trusted manufacturer known for rigorous quality control and consistent product performance. Each bottle undergoes thorough inspection for glass integrity, dimensional accuracy, and stopper fit. The combination of borosilicate construction and a precision‑ground stopper delivers reliable, repeatable results, reducing measurement error and sample loss. With a proven track record reflected in a solid customer rating, this bottle meets the demanding standards of professional laboratories.
Key Features
- High‑quality borosilicate glass for chemical resistance and thermal stability
- Compact low‑form design (1.9″ × 1.2″) saves bench space
- Interchangeable ground stopper provides a secure, leak‑free seal
- 35 ml capacity ideal for small‑scale preparations and precise weighing
- Reusable and hand‑wash only for long‑term laboratory use
FAQ
Can this bottle be used with aggressive acids?
Yes, borosilicate glass resists most acids and bases, making the bottle suitable for a wide range of chemical reagents.
Is the ground stopper compatible with other bottle sizes?
The stopper is designed specifically for the 35 ml model, but EISCO offers compatible stoppers for other capacities in the same series.
How should the bottle be cleaned?
Hand wash with mild detergent and warm water. Rinse thoroughly and allow to air dry. Avoid abrasive scrubbers that could scratch the glass.
Is the bottle calibrated for weighing?
The bottle itself is not calibrated, but its precise volume and stable design make it ideal for use with analytical balances when combined with proper weighing techniques.
Can the bottle be autoclaved?
While borosilicate glass tolerates high temperatures, autoclaving is not recommended for this model due to the ground stopper material.
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