What is a 25 ml Erlenmeyer flask?
This 25 ml PYREX® narrow mouth Erlenmeyer flask with a heavy duty rim is made from low expansion, Type 1, Class A borosilicate glass that can be heated directly in an open flame. PYREX® Erlenmeyer flasks are made to ASTM E1404 specifications for general laboratory use such as mixing, heating, and cooling.
How much does a 25ml Erlenmeyer flask weigh?
Laboratory Equipment Erlenmeyer Flasks
| Product Code | Description | Weight |
|---|---|---|
| UTGG-1900 | Erlenmeyer Flask 50 ml | 0.05 kg |
| UTGG-1905 | Erlenmeyer Flask 100 ml | 0.1 kg |
| UTGG-1910 | Erlenmeyer Flask 150 ml | 0.13 kg |
| UTGG-1915 | Erlenmeyer Flask 250 ml | 0.2 kg |
What is a flask used for in chemistry?
Flasks can be used for making solutions or for holding, containing, collecting, or sometimes volumetrically measuring chemicals, samples, solutions, etc. for chemical reactions or other processes such as mixing, heating, cooling, dissolving, precipitation, boiling (as in distillation), or analysis.
What is a 250 ml Erlenmeyer flask used for?
PYREX Glass Erlenmeyer Flask, 250mL The Erlenmeyer Flask is used to heat and store liquids. The advantage to the Erlenmeyer Flask is that the bottom is wider than the top so it will heat quicker because of the greater surface area exposed to the heat.
What is the precision of a 25 mL volumetric pipette?
0.03 mL
volume 25 mL, accuracy: 0.03 mL.
Does a graduated cylinder measure?
A graduated cylinder, also known as a measuring cylinder or mixing cylinder is a common piece of laboratory equipment used to measure the volume of a liquid. Each marked line on the graduated cylinder represents the amount of liquid that has been measured.
How much weight is a flask?
76 pounds
Flask is a British unit of mass or weight in the avoirdupois system, used to measure mercury. It is defined as 76 pounds (34 kg).
How much does an empty flask weigh?
241.3 g.
An empty Erlenmeyer flask weighs 241.3 g.
What is flask in laboratory apparatus?
Laboratory flasks are lab vessels with wide bodies and narrow, tubular necks. They can be used for mixing, measuring, and heating chemicals, samples, and solutions. A type of labware, laboratory flasks are made of glass or plastic and specified by volume. Often, a stopper or cap is used to seal the opening at the neck.
What are the small flasks called?
Beakers are the standard vessel used in chemistry. They come in all sizes including 5 milliliter (ml) flasks and flasks of many liters (L). Much like a cup or a mug, they consist of a cylinder, usually glass, with a flat bottom made to hold liquid. Beakers may or may not have a pour spout although they usually do.
What is ring stand?
Definition of ring stand : a metal stand consisting of a long upright rod attached to a heavy rectangular base that is used with rings and clamps for supporting laboratory apparatus.
What is a Scoopula in chemistry?
Scoopula is a brand name of a spatula-like scoop utensil used primarily in chemistry lab settings to transfer solids: to a weigh paper for weighing, to a cover slip to measure melting point, or a graduated cylinder, or to a watch glass from a flask or beaker through scraping.
How many clamps are in a 25 ml Erlenmeyer flask?
…for Erlenmeyer flasks 25 ml (max 52 clamps) Clamp for Erlenmeyer flasks 50 ml (max 33 clamps) Clamp for Erlenmeyer flasks 100 ml (max 22 clamps) Clamp for Erlenmeyer flasks 200 ml (max 15 clamps) Clamp for Erlenmeyer flasks 250 – 300 ml (max 13 clamps) Clamp for Erlenmeyer flasks 500 ml … …
How big is a Class B volumetric flask?
Class ‘B’ borosilicate glass volumetric flask with one graduation mark. Fitted with chemical resistance polypropylene stopper. As per DIN ISO 1042 standard. Blue graduation. Cap. 25 ml, Tolerance ±0.08 ml, Socket size 10/19
What kind of glass is Pyrex Erlenmeyer flask made of?
This 25 ml PYREX brand narrow mouth Erlenmeyer flask meets ASTM E1404 specifications and are made from low expansion, Type 1, Class A borosilicate glass that is capable of withstanding typical laboratory temperature variations. Read More My Science Perks members earn at least $0.15 back on this item.
How big of a rubber stopper do you need for a filter flask?
Small filtering flasks are recommended for microchemical use All flasks have permanent white-enamel marking spots Takes rubber stopper No. 3; 50 mL size, No. 4; 125 mL size, No. 5