Average molecular weight calculator

13 Oct 2024 Tags: Materials Science Polymer Science Polymer Characterization Polydispersity Index Popularity: ⭐⭐⭐Polydispersity Index CalculationThis calculator determines the polydispersity index (PDI) of a polymer sample, which is a measure of the distribution of molecular weights within the sample.ExplanationCalculation Example: The polydispersity index (PDI) is a dimensionless quantity that describes the breadth of the molecular weight distribution of a polymer sample. It is calculated by dividing the weight-average molecular weight (Mw) by the number-average molecular weight (Mn). A PDI value of 1 indicates a monodisperse polymer, meaning all molecules have the same molecular weight. A PDI value greater than 1 indicates a polydisperse polymer, with a wider range of molecular weights.Q: What is the significance of the polydispersity index (PDI)?A: The PDI provides information about the homogeneity of the polymer sample. A higher PDI indicates a wider range of molecular weights, which can impact the physical properties of the polymer, such as its viscosity, mechanical strength, and processability.Q: How does the PDI affect the properties of a polymer?A: The PDI can influence the properties of a polymer by affecting its molecular weight distribution. A wider distribution (higher PDI) can lead to variations in properties like viscosity, mechanical strength, and thermal stability.Variables Symbol Name Unit Mw Weight-Average Molecular Weight g/mol Mn Number-Average Molecular Weight g/mol Calculation ExpressionPolydispersity Index: The polydispersity index (PDI) is calculated by dividing the weight-average molecular weight (Mw) by the number-average molecular weight (Mn).CalculatorWeight-Average Molecular Weight (g/mol): Number-Average Molecular Weight (g/mol): Calculated valuesConsidering these as variable values: Mn=20000.0, Mw=50000.0, the calculated value(s) are given in table below Derived Variable Value Polydispersity Index 2.5 Similar Calculators Analyzing Thermomechanical Properties of Polymeric Materials Plasticity Analysis of Acrylic Polymers Thermodynamic Analysis in Polymer Characterization Quantitative Polymer Characterization Quantitative Polymerization Analysis Polymer Property Calculations Polymer Film-Forming Property Estimation Quantifying Polymer Properties through Computational Modeling Polymer Film-Forming Properties: Structural and Molecular Weight Implications Micromechanical Modeling of Polymeric CompositesExplore Polymer Characterization Molecular Weight Distribution Polymer Properties and Applications What is the formula to calculate the polydispersity index (PDI) of a polymer sample? If a polymer sample has a weight-average molecular weight (Mw) of 50,000 g/mol and a number-average molecular weight (Mn) of 20,000 g/mol, what is the first step to calculate its PDI? A polymer sample has a weight-average molecular weight (Mw) of 50,000 g/mol and a number-average molecular weight (Mn) of 20,000 g/mol. Using these values, derive the formula for polydispersity index (PDI)Calculator

DailyCalcs turns your phone into a science calculator to simplify everyday tasks in the lab. Eight calculators, including a new Specific Productivity Calculator for use with fed-batch cell culture processes and a Transfection calculator you can use to simplify transfection experimental setup.The Specific Productivity Calculator for fed-batch cell culture processes takes into account Duration of Culture (Days), VCD and Titer levels to calculate early and late qP results. Next step recommendations are suggested based on the calculations, with an in-app ability to email your results for consultation assistance.The Transfection calculator addresses the transfection reagent, number of samples, the vessel size, and number of replicates and it calculates the exact amounts of all necessary reagents and media for your experiment.This application features the 8 following calculators absolutely free:1. Molarity CalculatorThe Molarity Calculator tool will allow you to find the mass required to prepare a solution of known volume & concentration, find the volume of solution required to dissolve a known mass to a specific molarity or find a concentration of a solution resulting from a known mass & volume.2. Dilution CalculatorThe Dilution Calculator tool will allow you to determine the required volume of a stock solution of known concentration to make a final solution of desired volume & concentration. This tool greatly simplifies the everyday tasks of making solutions in the lab.3. Molecular Weight CalculatorThe Molecular Weight Calculator will compute the average molecular weight (MW) of molecules by entering in the chemical formula (i.e. C3H2O4). Supports complex molecules such as "C3H2(NO)4" & "C3H2Cl4.(H2O)3" & is linked into the Molarity Calculator to work in tandem for molarity calculations.4. Cell Culture Reference ChartsReference charts for cell culture dishes, plates & flasks showing vital data such as growth surface area, cell seeding density, number of cells at confluency, volume of growth media necessary & required versene or trypsin volume for cell detachment.5. Unit ConverterA comprehensive unit converter tool capable of converting over 44 units in 7 different types of measurements including the following:Distance converter (m, ft, in, cm, mm, yards & km)Speed converter (m/sec, ft/sec, in/sec, cm/sec, km/sec, miles/sec, miles/hr, km/hr, knots)Area converter (m2, ft2, in2, yd2, acres, km2, miles2)Volume converter (liters, m3, cm3, ft3, in3, yards3)Weight converter (kg, g, oz, lbs, tons)Temperature converter (Celcius, Farenheit, Kelvin)Molar converter (mole, mM, μmol, nmol, pmol, fmol).6. Conversions for MediaUnit of measure conversion tool for powder and AGT media that converts Gibco powder and AGT media products between KG and L.7. Specific Productivity CalculatorThe Specific Productivity Calculator for fed-batch cell culture processes takes into account Duration of Culture (Days), VCD and Titer levels to calculate early and late qP results. Next step recommendations are suggested based on the calculations, with an in-app ability to email your results

Molecular Weight Calculator The Molecular Weight Calculator calculates a molecule's molecular weight (or formula weight), and the molecule's percent composition, displaying the results for up to 20 compounds simultaneously. The program also supports amino acids, including predicting the theoretical b and y or c and z ions that could be created by MS/MS dissociation. The program is available for Windows (XP/7/8). More Info Dart Scorekeeper The Dart Scorekeeper is a fairly old, yet still functional, program for aiding dart (Cricket) players to keep track of scoring and game statistics when playing the games of Cricket, 301, or Golf. It supports up to 6 teams of two players each, includes modes for both cut-throat and polite scoring, and ranks players based on a unique algorithm that takes player strengths and recent games played into account. The software includes a graphical representation of the dart board plus the ability to play sounds for each player and important events (customizable). More Info

Does not affect general growth characteristics such as gain in body mass, nor does it affect hindlimb muscle mass. However, heart mass and liver mass are both significantly increased by 11% in Etomoxir-treated rats[4]. MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only. Molecular Weight 326.82 Formula C17H23ClO4 CAS No. 124083-20-1 Appearance 34°C Liquid Color Colorless to light yellow SMILES O=C(OCC)[C@@]1(OC1)CCCCCCOC2=CC=C(C=C2)Cl Shipping Room temperature in continental US; may vary elsewhere. Storage -20°C, protect from light, stored under nitrogen Solvent & Solubility In Vitro: DMSO : 100 mg/mL (305.98 mM; ultrasonic and warming and heat to 60°C; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO) Preparing Stock Solutions Concentration Solvent Mass 1 mg 5 mg 10 mg 1 mM 3.0598 mL 15.2989 mL 30.5979 mL 5 mM 0.6120 mL 3.0598 mL 6.1196 mL View the Complete Stock Solution Preparation Table * Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light, stored under nitrogen). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month. Molarity Calculator Dilution Calculator Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol) Mass = Concentration × Volume × Molecular Weight * Concentration (start) × Volume (start) = Concentration (final) × Volume (final) This equation is commonly abbreviated as: C1V1 = C2V2 Concentration (start) C1 × Volume (start) V1 = Concentration (final) C2 × Volume (final) V2 In Vivo: Select the appropriate dissolution method based on your experimental animal and administration route. For the following dissolution methods,