Graduated Flask with Fixed Stoppers Manufacturer,Supplier and Exporter in India
Product Code : EL-CL-13480
Jlab Export is a leading Graduated Flask with Fixed Stoppers Manufacturer,and suppliers in India
Graduated Flask with Fixed Stoppers (code EL-CL-13480) is a glass volumetric flask calibrated to hold its stated volume at a set liquid temperature, closed by a plastic stopper that matches its ground glass joint. It comes in 50 ml, 100 ml and 500 ml sizes for making up solutions to a fixed volume. The flask is model JL/IPL-799, made by JLab in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Model | JL/IPL-799 |
| Type | Volumetric (graduated) flask |
| Material | Glass |
| Capacity | 50 ml, 100 ml, 500 ml |
| Joint | Ground glass |
| Stopper | Plastic, matching the joint |
| Quality check | Each flask is visually inspected before dispatch |
| Pack quantity | Each (sold individually) |
| Minimum order quantity | 50 units |
| Dispatch time | Usually 3–5 working days |
| Product code | EL-CL-13480 |
| Manufacturer | Jain Laboratory Instruments Pvt Ltd (JLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
Making Up a Solution to the Mark
Dissolve the weighed substance in a little solvent, transfer it into the flask and add solvent until the liquid is close to the calibration line. Finish drop by drop until the bottom of the meniscus rests on the line, viewed at eye level. Fit the stopper and invert the flask several times so the solution is evenly mixed. The volume read at the mark is the one the flask is calibrated for; it is not meant for measuring other amounts.
Why Temperature Matters
Liquids expand when warm and contract when cool, so the same mass of solution fills a different volume at a different temperature. A solution made up to the mark while still warm from dissolving will shrink below the line as it cools and be slightly more concentrated than intended. Let the solution reach the calibration temperature before the final filling.
Related Flasks and a Pipette Filler
- Volumetric Flask with Stopper, 500 ml — a 500 ml volumetric flask in borosilicate glass.
- Conical Flask (Erlenmeyer) with Stopper — a glass conical flask with a ground glass stopper and approximate scale.
- Pipette Filler — a three-valve rubber filler for glass and plastic pipettes.
Volumetric and general glassware is listed under Chemistry Lab.
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Last updated: 29 October 2026
