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Dropping Funnel with Tap
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Dropping Funnel with Tap is a precision laboratory glassware apparatus designed to add liquids dropwise or in a controlled flow to a reaction vessel or system. Typically made from chemically resistant borosilicate glass, this funnel features a conical body with a ground glass joint and an integrated stopcock (tap) at the bottom for precise flow regulation. It allows gradual addition of reactants during sensitive chemical processes, minimizing splashing, sudden reactions, or contamination. Widely used in organic synthesis, titrations, and controlled mixing procedures, it ensures safety and accuracy in laboratory operations.
Description
Uses
Primary Uses
Chemical and Pharmaceutical Laboratories
- Controlled addition of reactants during chemical synthesis to prevent runaway reactions.
- Precise delivery of titrants in volumetric and acid-base titration procedures.
- Gradual mixing of reagents in multi-step organic synthesis.
- Addition of moisture-sensitive or volatile liquids under inert atmosphere.
- Used in pharmaceutical labs for formulation and drug development requiring controlled liquid addition.
Secondary Uses
Industrial and Research Applications
- Handling corrosive or hazardous liquids safely by controlling flow rate.
- Use in biochemical labs for enzyme or substrate addition during assays.
- Environmental laboratories for controlled dosing of reagents in sample preparation.
- Teaching and demonstration tool in educational chemistry labs for illustrating reaction kinetics.
- Food and beverage R&D for controlled addition of flavoring or additives during trials.
PRODUCT KEY FEATURES
Basic Identification Attributes
- Material: Borosilicate glass, chemically resistant and heat-tolerant
- Components: Conical funnel body, ground glass joint, and integrated stopcock (tap)
- Sizes: Available in various volumes, typically 50 mL to 500 mL
Physical & Chemical Properties
- Resistant to acids, bases, solvents, and organic reagents
- Can withstand heating and cooling cycles typical in lab reactions
- Transparent for easy monitoring of liquid level and flow control
Safety & Hazard Attributes
- Fragile glass requires careful handling to avoid breakage and spills
- Stopcock allows precise control to minimize splashing and accidental release
- Potential exposure to hazardous chemicals requires use of PPE and fume hoods
Storage & Handling Attributes
- Store in padded racks or boxes to prevent mechanical damage
- Clean immediately after use to prevent residue buildup and contamination
- Inspect stopcock for smooth operation and leaks prior to use
Regulatory & Compliance Attributes
- Manufactured according to ISO and ASTM laboratory glassware standards
- Suitable for use in GLP and GMP compliant laboratories
Environmental & Health Impact
- Glass is recyclable and environmentally friendly
- Reduces chemical waste by precise dosing and minimizing excess reagent use
- Proper chemical waste disposal recommended to prevent environmental harm
SAFETY HANDLING PRECAUTIONS
Safety Handling Precautions
- Use gloves, lab coat, and eye protection when handling and operating
- Operate under fume hood when working with volatile or hazardous liquids
- Avoid sudden temperature changes to prevent thermal shock and breakage
First Aid Measures
- In case of cuts, clean wounds thoroughly and seek medical attention if severe
- For chemical exposure, follow specific chemical first aid protocols
- Remove contaminated clothing and rinse affected skin or eyes with water immediately
Firefighting Measures
- Glassware is non-flammable
- Use suitable extinguishing methods for surrounding combustible materials
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Gas Jar with Lid
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Microscope cover slips
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