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Avolumetric flaskmeasuring flaskorgraduated flaskis a piece oflaboratory apparatus, a type oflaboratory flask, calibrated to contain a precise volume at a certain temperature. Volumetric flasks are used for precise dilutions and preparation ofstandard solutions. These flasks are usually pear-shaped, with a flat bottom, and made of glass or plastic. The flask's mouth is either furnished with a plastic snap/screw cap or fitted with ajointto accommodate aPTFEor glass stopper. The neck of volumetric flasks is elongated and narrow with an etched ringgraduationmarking. The marking indicates the volume of liquid contained when filled up to that point. The marking is typicallycalibrated"to contain" (marked "TC" or "IN") at 20C and indicated correspondingly on a label. The flask's label also indicates thenominalvolume, tolerance, precision class, relevant manufacturing standard and the manufacturer's logo. Volumetric flasks are of various sizes, containing from 1milliliter to 20liters of liquid.
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Beakeris generally acylindricalcontainer with a flat bottom.Most also have a small spout or beak to aid pouring, as shown in the picture. Beakers are available in a wide range of sizes, from onemilliliterup to severalliters. A beaker is distinguished from aflaskby having straight rather than sloping sides. The exception to this definition is a slightly conical-sided beaker called a Philips beaker. Thebeaker shape in general drinkwareis similar.
Beakers are commonly made of glass today usuallyborosilicate glass, but can also be in metal such asstainless steeloraluminumor certain plastics notablypolythene, polypropylene, PTFE. A common use for polypropylene beakers is gamma spectral analysis of liquid and solid samples.
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Laboratory glasswarerefers to a variety of equipment used inscientificwork, and traditionally made ofglass. Glass can be blown, bent, cut, molded, and formed into many sizes and shapes, and is therefore common inchemistry, biology, and analyticallaboratories. Many laboratories have training programs to demonstrate how glassware is used and to alert firsttime users to thesafety hazardsinvolved with using glassware.
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Laboratory glasswarerefers to a variety of equipment used inscientificwork, and traditionally made ofglass. Glass can be blown, bent, cut, molded, and formed into many sizes and shapes, and is therefore common inchemistry, biology, and analyticallaboratories. Many laboratories have training programs to demonstrate how glassware is used and to alert firsttime users to thesafety hazardsinvolved with using glassware.
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sintered glass wares are used for the filtration of liquids and gasses in the laboratory. It incorporates a porous glass disc as a filter media, which is non-corrosive and reusable. It is also use for gas washing, dispersion and absorption. Sintered disc is manufactured by crushing borosilicate glass, powdering, cleaning, separating into various mesh sizes and then fusing together in the form of a disc. The sintered disc is graded into 4 grades G-1, G-2, G-3, G-4. These grades are classified by maximum pore size.
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Laboratory Test TubesFeaturing durable finish, these laboratory tubes find application in carrying small quantities of chemicals/ingredients that are part of the experimentation/testing.
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Ground glass jointsare used in laboratories to quickly and easily fit leak-tight apparatus together from interchangeable commonly available parts.
To connect the hollow inner spaces of the glassware components, ground glass joints are hollow on the inside and open at the ends, except for stoppers.
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