Kit for Demonstrating CO2 Emission and Heat Production in Germinating Seeds Manufacturer,Supplier and Exporter in India

Kit for Demonstrating CO2 Emission and Heat Production in Germinating Seeds (Product Code: SCL221/011) lets a class prove two things about germination with one set-up: sprouting seeds give off carbon dioxide, and they warm up as they respire. It includes Erlenmeyer flasks, a three-neck flask, a 0–100°C thermometer, baryta water (barium hydroxide solution) and an aspiration pump to draw air through the system. This school biology lab equipment is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India.

Specifications

Typical Use

Germinating seeds are placed in the 500 ml three-neck flask, with the 0–100°C thermometer fitted through one neck to track temperature. The aspiration pump draws air over the seeds and on through the silicone tubing into a 250 ml Erlenmeyer flask of baryta water; as carbon dioxide arrives, the clear solution turns cloudy with a white barium carbonate precipitate. The second Erlenmeyer flask can hold baryta water at the air inlet, so students see that incoming air causes little change while the air leaving the seeds does.

A matching flask of boiled seeds, or a comparison of the thermometer reading with room temperature, gives a clear control for a school biology lab setup. Pump air slowly and steadily so bubbles can be counted and the cloudiness builds gradually. Barium hydroxide is harmful if swallowed and irritating to skin and eyes, so students should wear gloves and goggles, keep the bottle closed and wash their hands after the practical.

Manufacturer

Jain Scientific Equipments Private Limited, trading as ScienceLab, is an Ambala, Haryana manufacturer of science teaching apparatus, including a series of plant physiology demonstration kits. The company profile explains more about the business and its range.

Related Laboratory Equipment

Spares and companion items for this germination practical:

• Conical Jar (Erlenmeyer) 250 ml — spare flasks of the same capacity for the baryta water
• Rubber stoppers with holes of different diameters — one-hole stoppers in several sizes for adapting the set-up
• Rubber Tube (Laboratory) — extra tubing when the apparatus needs longer connections
• Laboratory Thermometer — a second thermometer for the boiled-seed control
• Kit for Demonstrating Seed Respiration in Germination — a related kit on seed respiration

Other plant physiology kits are in the Laboratory Equipment category.

Frequently Asked Questions

What apparatus comes in this CO2 and heat kit?
Two 250 ml Erlenmeyer flasks, a pair of silicone tubes with 2-hole rubber stoppers, 1 single-hole rubber stopper, a 500 ml three-neck glass flask, a 0–100°C thermometer, a bottle of barite water (barium hydroxide solution) and 1 three-valve aspiration pump.

What temperature range does the thermometer cover?
0–100°C, which comfortably covers the small temperature rise produced by germinating seeds.

Why does the baryta water turn cloudy?
Carbon dioxide reacts with the dissolved barium hydroxide to form insoluble barium carbonate, which appears as a white cloudiness.

Are seeds included?
No seeds are listed. Use seeds soaked in water until they begin to sprout, plus a batch of boiled seeds for the control.

Is barium hydroxide solution safe for school use?
It can be used under teacher supervision with gloves and goggles. It is harmful if swallowed, so keep it away from food and dispose of it according to your school’s chemical waste rules.

Is a warranty or test document available for this kit?
Warranty terms and any documents you need are confirmed with the quotation; ask through the contact page.

Can the kit be ordered in bulk or for export?
Yes. We quote for school, college and tender quantities in India and international markets.

Request a Quote

Request a quotation for this kit, with or without spare flasks and stoppers, via the contact page, or add it to the enquiry cart.

Last updated: 24 September 2026