density of different types of glass

density of glass is 3.5 g/cm3 . 20 Different types of Stained Glass There are lots of different types and styles of stained glass however all glass consists primarily of silica sand with small amounts of soda ash and lime. TABLE \(\PageIndex{2}\) Density of Several Substances at 20°C. In order to determine these densities, we might weigh a cubic centimeter of each type of glass. Water glass: It is manufactured from the compound of sodium silicate (Na 2 Si0 3) by heating sodium carbonate and silica.It is soluble in water. The densities of some common pure substances are listed in the Table. The compressive strength of glass is extremely high: 1000 N/mm2 = 1000 MPa. Table \(\PageIndex{1}\) Density of Various Materials; Glass Type Density/g/cm 3; sand: 1.52: fused silica (96%) 2.18: Corning Vycor® 7907 UV-Blocking Glass: 2.21: Pyrex(R) 2.23: borosilicate glass: 2.4: ordinary bottle ~2.4-2.8: ordinary window ~2.4-2.8: Corning 0211 Zinc Borosilicate Glass: 2.53: Corning 1724 Aluminosilicate Crushed/Powdered Glass: 2.64: crown glass: 2.8 Glass densities are determined by an ASTM standard method involving flotation in liquids [3], but the density of glass fragments can also be measured by water displacement, as described below. This density means that it is heat resistant glass. Types of glass. Glass Wool. This gives the density of glass to be 25/11 = 2.27. The density of building glass is around 2500 kg per cubic meter at 20 0 C temperature, which gives flat glass a mass of 2.500 kg per square meter per mm of thickness. The density of glass is 2.5, which gives flat glass a mass of 2.5kg per m2 per mm of thickness, or 2500 kg per m3. The density of glass varies greatly because of the atoms that make up the glass. Some glassware isn't glass at all, but inert plastic such as Teflon. Sometimes identifying one type of glass or glass fragment at a crime scene may be critical in solving a crime, but the largest database [1] includes 304,107 glass compositions, so identifying one of them can be daunting. Therefore, a column in a table or the axis of a graph is conveniently labeled in the following form: This indicates the units that must be divided into the quantity to yield the pure number in the table or on the axis. It is easy to transform densities from one set of units to another, by multiplying the original quantity by one or more unity factors: Example \(\PageIndex{2}\): Density Conversion, Convert the density of water, 1 g/cm3 to (a) lb/cm3 and (b) lb/ft3. [ "article:topic", "Exemplar", "authorname:chemprime" ], https://chem.libretexts.org/@app/auth/3/login?returnto=https%3A%2F%2Fchem.libretexts.org%2FAncillary_Materials%2FExemplars_and_Case_Studies%2FExemplars%2FForensics%2FGlass_Density_Evidence, Ed Vitz, John W. Moore, Justin Shorb, Xavier Prat-Resina, Tim Wendorff, & Adam Hahn, Chemical Education Digital Library (ChemEd DL), http://chemistry.about.com/od/chemistrydemonstrations/ht/rainbowinaglass.htm, information contact us at [email protected], status page at https://status.libretexts.org, Corning 1724 Aluminosilicate Crushed/Powdered Glass, Corning 0159 Lead Barium Crushed/Powdered Glass, Densities of many more materials are easily, www.fbi.gov/hq/lab/fsc/backis...standards8.htm, www.americanglassresearch.com...Density%20Oils, Red food color in 24% sugar solution; Yellow: 16% sugar; Green: 12% sugar; Blue: 8% sugar. The most common type of glass is ordinary window or bottle glass. R-Glass, S-Glass, and T-glass are trade names for the same type of fiberglass. It is fire-resistant … This density means that it is heat resistant glass. The wetting properties and acidic strength of this type of fiberglass are also higher. Something with high density has a lot of mass per unit of volume (lots of something for the amount of space it occupies), The equality 454 g = 1 lb can be used to write two unity factors, \(\dfrac{\text{454 g}} {\text{1 lb}}\) or \(\dfrac{\text{1 lb}} {\text{454}}\). Glass is a unique and extremely versatile material that can be engineered to exhibit specific optical, thermal, chemical, and mechanical properties. They have greater tensile strength and modulus as compared to E-glass fiberglass. We can use the following technique to work out the density of pieces of glass. The densities of rocks and minerals are normally expressed as specific gravity, which is the density of the rock relative to the density of water. The density of window glass is between 2.47 g/cm 3 and 2.56 g/cm 3. The most common screen used by us is Phifer 18×14 screen, an American made product made by Phifer in Tuscaloosa Alabama. When glass pieces are added, they float at the level where the density matches. Ethanol is light, having a density of 0.789 g/cm3, so when it's mixed with bromoform, the resulting solution is just a bit denser than bromoform. It is also called as fused quartz. On the other hand, something else is alluded to when we say that flint optical glass is heavier than ordinary bottle glass. Pyrex (the Corning brand of borosilicate glass, about 70% silica, 10% boron oxide (B2O3), 8% sodium oxide, 8% potassium oxide, and 1% calcium oxide). The density for Alumino-… Density Values of Different Construction Materials. We simply measure mass and volume and divide volume into mass: \[\text{Density} = \dfrac{\text{mass}} {\text{volume}}\], where ρ = density m = mass V = volume, Example \(\PageIndex{1}\): Density Calculation. Density equals the mass of the glass divided by the volume. Four of the most popular types are: Insulated Glass Units Insulated glass units (IGUs) are windows with two or more panes separated by … Place the beaker and water on a balance and record the mass. Silica glass is a very thin and transparent glass. Therefore it is conventional to use pure numbers in a table or along the axes of a graph. A density gradient column can be created with sugar solutions in dyed water [4], as shown in the figure. ... To Know about 4 Different Types of Treatment on Glass. Note that unlike mass or volume, the density of a substance is independent of the size of the sample. SILICA GLASS. There are nine types of glass according to the minor additions and variations in the ingredients used and according to the methods of manufacturing. Density also decides the sinking property of material. Different Types of Window Glass. This gives the density of glass to be 25/11 = 2.27. In our exploration of Density, notice that chemists may express densities differently depending on the subject. This density means that it is heat resistant glass. It's called soda-lime glass because it is made of sodium carbonate (Na2CO3) and CaO (calcium oxide or lime) in addition to silica (sand or quartz, (SiO2). ASTM D1505 determines Density of a material by the density-gradient technique. We often abbreviate "cm3" as "cc", and 1 cm3 = 1 mL exactly by definition. Definitions and convertion calculators. The glass fiber is usually flattened into a sheet, randomly arranged or woven into a fabric. If the flint sample weighed 7.2 g and the bottle glass 2.4 g, we could describe the density of flint as 7.2 g cm–3 and that of bottle glass as 2.4 g cm–3. This will give us the volume of the pieces of glass. Flint glass can be so much denser than crown glass because flint glass contains lead, which is a very dense element. alkali zinc borosilicate with a density of 2.57 g/mL in a solution with a density of 2.46 g/mLpotash soda lead with a density of 3.05 g/mL in a solution with a density of 1.65 g/mL Glass that will float In each case the units are read as grams per cubic centimeter, the per indicating division.) Glass (and plastics) are available specifically for picture framing, these tend to … A small shard of flint would obviously weigh less than a gallon glass jug, but flint is heavier in the sense that a piece of given size weighs more than the same-size piece of bottle glass. The glass in a vehicle headlight falls with the range of 2.47 g/cm 3 and 2.63 g/cm 3. Mechanical properties of Glass. Related Topics . Although chemists can identify glass by more conclusive methods involving elemental analysis, density may still be used as a screening method, as FBI documents indicate FBI Glass Density. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. Borosilicate Glasses. Glass, window weighs 2.579 gram per cubic centimeter or 2 579 kilogram per cubic meter, i.e. It has a density of 2.889 g/cm3 at 15 °C, so most common glasses will float on its surface. Image Courtesy: Image 2, Image 5, Image 6, Image 9. We refer to weight when we say that an adult is heavier than a child. Soda-lime glass (ASTM E-438 Type 2) is less chemically resistant than borosilicate glass and is typically suitable for storing dry powders and for containers for general sample storage applications. Density equals the mass of the glass divided by the volume. In Imperial or US customary measurement system, the density is equal to 161.0017 pound per cubic foot [lb/ft³], or 1.4908 ounce per cubic inch [oz/inch³] . Edmund Optics® offers a wide variety of glass types which can be selected on the basis of the following characteristics. a) Since the submerged metal displaces its own volume, \[\text{Density} =\rho = \dfrac{\text{m}} {\text{V}} = \dfrac{37.42 g} {13.9 mL} = \text {2.69 g/mL or 2.69 g mL}^{-1}\], b) The volume of the cylinder must be calculated first, using the formula, \[\text{V} = {\pi} r^{2} h = 3.142 × \text{(0.750 cm)}^{2} * 5.25 \text{cm} = \text{9.278 718 8 cm}^{3}\], Then \[\rho = \dfrac{\text{m}} {\text{V}} = \dfrac{25.07g} {9.278 718 8cm^{3}}\], \[= \text{2.70} \frac{\text{g}}{\text{cm}^3}\].

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