Gas Jars
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Measuring Scoops
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Powder Funnels - Jointed
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Powder Funnels
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Filter Funnels - Short Stem, Heavy Duty
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Filter Funnels - Short Stem
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Membrane Filter Assembly For Micro-analysis With Silicone Cork Cup Clamp
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Separating Funnel Pear Shape With Ptfe Stopcock Graduated
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Separating Funnel Pear Shape With Rota Flow Stopcock
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Separating Funnel Pear Shape With Glass Stopcock
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Dropping Funnel Graduated With Ptfe Stopcock
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Dropping Funnel Graduated With Rotaflow Stopcok
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Dropping Funnels (cylindrical)
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Dropping Funnels Cylindrical Graduated With Glass Stopcock
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Glass Filter Funnel
DetailsOverview
Yash Instrument Gas Jars are cylindrical borosilicate 3.3 glass vessels used for collecting, storing, and demonstrating gases in chemistry laboratories and educational settings. Manufactured with a precision-ground rim, each jar pairs with a flat glass plate or cover to create an airtight seal during gas collection over water or pneumatic trough experiments.
Key Features
- Uniform wall thickness for even thermal distribution
- Ground and polished rim for a secure, leak-resistant seal
- Available in multiple capacities for classroom and industrial use
- High chemical resistance, suitable for repeated use with common laboratory gases
Applications: Commonly used in school and college chemistry demonstrations, gas collection experiments, and general laboratory gas-handling procedures.
Overview
Yash Instrument Measuring Scoops are precision-molded borosilicate glass scoops designed for the accurate transfer and approximate measurement of powders, granules, and crystalline substances in laboratory and pharmaceutical settings.
Key Features
- Smooth, non-porous glass surface prevents powder residue buildup
- Chemically inert — safe for use with reactive or sensitive compounds
- Available in a range of scoop sizes for different sample volumes
- Easy to clean and autoclave-safe for repeated laboratory use
Applications: Ideal for pharmaceutical formulation, quality control labs, and any application requiring clean, contamination-free powder handling.
Overview
Yash Instrument Jointed Powder Funnels feature a wide-bore stem and a standard ground glass joint, allowing direct, secure connection to flasks and other jointed glassware during powder transfer operations.
Key Features
- Wide stem opening minimizes clogging when transferring fine or coarse powders
- Standard interchangeable ground glass joint for leak-tight connection
- Borosilicate 3.3 construction resists thermal shock and chemical attack
- Available in multiple joint sizes to match common flask necks
Applications: Used extensively in synthesis and formulation work where powders must be introduced directly and cleanly into a closed glass system.
Overview
Yash Instrument Powder Funnels are designed with a short, wide stem to allow smooth, unobstructed transfer of powders and granular materials into narrow-neck laboratory vessels such as volumetric flasks and bottles.
Key Features
- Short, wide-bore stem reduces the risk of clogging during transfer
- High-clarity borosilicate glass for easy visual monitoring of flow
- Resistant to staining, scratching, and most laboratory chemicals
- Available in a range of top diameters and stem sizes
Applications: A general-purpose funnel suited to routine powder transfer tasks across chemistry, pharma, and quality control laboratories.
Overview
Yash Instrument Heavy Duty Short Stem Filter Funnels are constructed from thick-walled borosilicate 3.3 glass, built for demanding, high-frequency filtration work where durability and mechanical strength are priorities.
Key Features
- Thick-walled construction for added durability and resistance to chipping
- Short stem design for stability on filtration stands and flasks
- Smooth conical interior supports even filter paper seating
- Withstands repeated autoclaving and rigorous daily laboratory use
Applications: Recommended for industrial and high-throughput laboratory environments where funnels are subject to frequent handling and heavy use.
Overview
Yash Instrument Short Stem Filter Funnels provide a compact, stable design for standard gravity filtration using filter paper, suited to routine laboratory filtration tasks.
Key Features
- Short stem lowers the center of gravity for added stability
- Smooth conical bowl ensures consistent filter paper fit
- Made from chemically resistant borosilicate 3.3 glass
- Available in a range of top diameters for different flask sizes
Applications: A dependable, everyday filtration funnel for general laboratory, educational, and quality control applications.
Overview
Yash Instrument Membrane Filter Assembly is a complete vacuum filtration setup designed for micro-analysis applications, incorporating a borosilicate glass funnel, receiver flask, silicone cork adapter, and a secure clamp to hold the membrane filter in place under vacuum.
Key Features
- Silicone cork cup adapter provides an airtight, leak-free seal
- Clamp assembly ensures the membrane filter stays firmly seated during filtration
- Suited for microbiological, particulate, and micro-analysis filtration work
- Borosilicate glass components resist chemical attack and repeated sterilization
Applications: Widely used in microbiology, water testing, and pharmaceutical quality control labs for membrane-based sample analysis under vacuum.
Overview
Yash Instrument Pear Shape Separating Funnels with a PTFE stopcock are designed for liquid-liquid extraction and phase separation, featuring graduated volume markings for accurate reading of separated layers.
Key Features
- PTFE stopcock offers grease-free, chemically inert operation
- Pear-shaped body improves phase separation and complete drainage
- Clear graduation markings for volume estimation during extraction
- Compatible with a wide range of solvents and reagents
Applications: Standard equipment for solvent extraction, purification, and phase-separation procedures in analytical and organic chemistry labs.
Overview
Yash Instrument Pear Shape Separating Funnels fitted with a Rotaflow stopcock combine the classic pear-shaped design with a bore-through PTFE valve for smooth, precise, and maintenance-free flow control.
Key Features
- Rotaflow stopcock eliminates the need for stopcock grease
- Bore-through valve design allows fine control of liquid flow rate
- Pear shape promotes efficient phase separation
- Durable borosilicate 3.3 construction for long service life
Applications: Preferred in laboratories seeking a low-maintenance, precise-flow alternative to traditional glass or PTFE key stopcocks for extraction work.
Overview
Yash Instrument Pear Shape Separating Funnels with a glass stopcock offer a traditional, cost-effective solution for liquid-liquid extraction, using a precision-ground glass key for flow control.
Key Features
- Precision-ground glass stopcock for a reliable seal
- Pear-shaped body for efficient separation of immiscible liquids
- High chemical resistance suited to a wide range of solvents
- Economical choice for routine extraction and separation tasks
Applications: A widely used, traditional separating funnel suited to standard extraction work in teaching and general-purpose laboratories.
Overview
Yash Instrument Graduated Dropping Funnels with a PTFE stopcock are designed for the controlled, dropwise addition of reagents into reaction vessels, with graduation markings to monitor the volume dispensed.
Key Features
- PTFE stopcock provides grease-free, corrosion-resistant flow control
- Graduated scale allows precise monitoring of added volume
- Suitable for use with a wide range of reactive and corrosive reagents
- Standard ground glass joint for secure attachment to reaction setups
Applications: Essential for controlled reagent addition in synthesis, titration, and reaction chemistry where dropwise dosing is required.
Overview
Yash Instrument Graduated Dropping Funnels fitted with a Rotaflow stopcock deliver precise, maintenance-free control over reagent addition, combining a bore-through PTFE valve with clear volume graduations.
Key Features
- Rotaflow valve allows fine, repeatable flow adjustment without grease
- Graduated markings support accurate dropwise reagent dosing
- Chemically resistant to aggressive solvents and reagents
- Standard ground glass joint for compatibility with common reaction setups
Applications: Suited to laboratories requiring consistent, fine-controlled reagent addition over extended reaction procedures.
Overview
Yash Instrument Cylindrical Dropping Funnels feature a straight cylindrical body, offering a stable, easy-to-read alternative to pear-shaped designs for controlled reagent addition.
Key Features
- Cylindrical shape provides a consistent internal diameter along the full length
- Stable design suited to mounting on standard laboratory stands
- Borosilicate 3.3 glass for durability and thermal resistance
- Standard ground glass joint for secure connection to flasks
Applications: A practical choice for reaction setups where a straight-sided funnel profile is preferred for ease of monitoring and stand mounting.
Overview
Yash Instrument Cylindrical Graduated Dropping Funnels with a glass stopcock combine a straight-sided body, clear volume graduations, and a precision-ground glass key for dependable, traditional flow control.
Key Features
- Graduated scale for accurate tracking of dispensed reagent volume
- Precision-ground glass stopcock for a reliable, repeatable seal
- Cylindrical profile for stable mounting and consistent readings
- Resistant to a broad range of laboratory chemicals and solvents
Applications: A dependable, economical option for laboratories requiring graduated, controlled reagent addition with a traditional glass stopcock.
Overview
Yash Instrument Glass Filter Funnels are general-purpose borosilicate 3.3 glass funnels designed for standard gravity filtration using filter paper across a wide range of laboratory applications.
Key Features
- Smooth conical interior for even filter paper seating and consistent flow
- High resistance to thermal shock and common laboratory chemicals
- Available in multiple diameters to suit different flask and beaker sizes
- Durable, reusable construction suitable for repeated sterilization
Applications: A versatile, everyday funnel for routine filtration tasks in chemistry, pharmaceutical, and educational laboratories.