Search results with tag "Glassware"
Laboratory Glassware - Scharlab Magyarország
scharlabmagyarorszag.huwww.scharlab.com 6 Scharlab The Lab Sourcing Group Telf.: +34 93 745 64 00 Cleaning of glassware · Care and handling of glassware Cleaning of glassware · General The cleaning procedure for glassware depends on the type of material contained in it.
Experiment 11: Dehydration of Cyclohexanol
tigerweb.towson.eduClean all glassware that was used in this experiment and place it in the appropriate locker – your personal drawer or the common locker. If you wash any glassware with acetone, wash it again with water before putting it away. Do not put any glassware containing acetone in the glassware kit in the common locker. REQUIRED CALCULATIONS
Accuracy and Precision of Laboratory Glassware ...
web.gccaz.eduLaboratory Glassware: Determining the Density of Water Accuracy and Precision of Laboratory Glassware: Determining the Density of Water During the semester in the general chemistry lab, you will come into contact with various pieces of laboratory glassware. • beakers • Erlenmeyer Flasks • volumetric flasks • pipettes • burets
EDTA Titrations 1: Standardization of EDTA and Analysis of ...
www.uclmail.netA-1. Clean the glassware and apparatus if necessary with a 1 % solution of detergent in warm water. See Cleaning and Drying of Glassware on page Error! Bookmark not defined.. Rinse the cleaned glassware and apparatus with tap water and then with distilled water. To avoid breakage, do not leave any glassware standing in an unstable position. A-2.
Kimble Kimax Laboratory Glassware 2011 - vgdusa.com
vgdusa.comKimble Lab Glassware Kimax Laboratory Glass Dealer Distributor Kimble Glassware Kimax Lab Buy Kimble Kimax lab glassware laboratory 14000G-400 BEAKER,GRIFFIN,LOW,GRN SCALE,400ML 12 $ …
Accuracy and Precision of Laboratory Glassware ...
web.gccaz.eduLaboratory Glassware: Determining the Density of Water Accuracy and Precision of Laboratory Glassware: Determining the Density of Water During the semester in the general chemistry lab, you will come into contact with various pieces of laboratory glassware. beakers Erlenmeyer Flasks volumetric flasks pipettes burets
Introduction to the Chemistry Laboratory
users.mhu.eduThe glassware on the shelves in this laboratory is far from clean. To clean glassware you should use hot soapy water. You will find squeeze bottles near the sinks labeled detergent or soap. Once the glassware has been washed with soap …
Calibration of Volumetric Glassware - New Mexico Institute ...
infohost.nmt.eduCHEM 311L Quantitative Analysis Laboratory Revision 2.3 Calibration of Volumetric Glassware In this laboratory exercise, we will calibrate the three types of glassware typically used by an
LABORATORY GLASSWARE CATALOGUE - DURAN
www.duran-group.com3 DURAN® LABORATORY GLASSWARE WITH BATCH IDENTIFICATION AND QUALITY CERTIFICATES Increasing requirements and standards in …
Laboratory Glassware Washer G 7883 - St. Michael's
www.stmichaelshospital.comOperating Instructions Laboratory Glassware Washer G 7883 To prevent accidents and machine damage read these instructions before installation or use. UV
SCHEDULE Chapter 70 GLASS AND GLASSWARE - …
www.cbsa-asfc.gc.caCUSTOMS TARIFF - SCHEDULE 70 - i Issued January 1, 2018 Chapter 70 GLASS AND GLASSWARE Notes. 1. This Chapter does not cover: (a) Goods of heading 32.07 (for example, vitrifiable enamels and glazes, glass frit, other glass …
Tolerances of Laboratory Glassware - DrJez Gateway
www.drjez.comTolerances of Laboratory Glassware From Harris D.C. “Quantitative Chemical Analysis” 5th Ed. Freeman and Co. Volumetric Flasks Transfer Pipets
Chapter 10 - MICROBIOLOGICAL ANALYSES
www.who.intRequires more glassware Requires less glassware More sensitive Less sensitive Result obtained indirectly by statistical approximation (low precision) Results obtained directly by colony count (high precision) Not readily adaptable for use in the field Readily adapted for use in the field
Accuracy and Precision of Laboratory Glassware ...
web.gccaz.eduGCC CHM151LL: Accuracy and Precision of ©2013 GCC Page 1 of 9 Laboratory Glassware: Determining the Density of Water
Hot Plate Use and Safety in Laboratory
ehs.wiscweb.wisc.edutemperature changes well. on’t use D thick-walled glassware directly on s. It heats hot plate unevenly and can shatter or crack. 6. Inspect glassware for visible damage before using it on a hotplate and make sure the hot plate is larger than the object being heated. 7.
Acid Cleaning Solutions for Glassware - University of Utah
webpath.med.utah.eduAcid Cleaning Solution Potassium dichromate 400.0 gm Distilled water 4000.0 ml Sulfuric acid 400.0 ml Dissolve potassium dichromate in water. Pour solution into crock, slowly add sulfuric acid. Keeps until solution turns dark brown, depends upon use. Label, date, initial. 0.15% Acid Rinse for Glassware Distilled water 985.00 ml Hydrochloric ...
Laboratory Glassware Cleaning - Environment, Health & Safety
ehs.wisc.eduWhen cleaning glassware, full shielding of the eyes is a minimum requirement. Even soap solutions can ... When dealing with the gentle aqueous solutions described below this can be enhanced by either heat soaking or, in some instances, mechanical agitation such as stirring, shaking, or sonication.
Draft Method 1633 Analysis of Per- and Polyfluoroalkyl ...
www.epa.govwashing, glassware should be rinse d immediately with reagent water. Prior to use, baked glassware must be solvent rinsed and then air dried. A solvent rinse proc edure using methanolic ammonium hydroxide (1%), toluene, and methanol is recommended.
Identification of an Unknown – Alcohols, Aldehydes, and ...
people.chem.umass.eduWARNING: acetone is a methyl ketone. If it is used to clean glassware, the glassware must be completely dried or else the acetone will interfere with your results. Be careful to not accidentally contaminate reagent bottles by using pipe ts contaminated with acetone, known compounds or unknowns. Many of the unknowns have a very disagreeable odor.
Experiment 1 Measurement and Density
www.chem.tamu.edudifferent glassware and instrument To compare class data and examine the accuracy and precision of each technique To use deductive reasoning to identify an unknown liquid Introduction: Density Matter has mass and volume. Mass is a measure of the amount of material an object has and is usually given in grams (g) or kilograms (kg).
Collagen - Masson's Trichrome Stain (TRI)
webpath.med.utah.eduEQUIPMENT: Rinse glassware in DI water. Coplin jars, 60°C oven or waterbath, microwave REAGENTS: Bouin’s Fixative Saturated picric acid 1500.0 ml Formaldehyde 500.0 ml Glacial acetic acid 100.0 ml Mix well, label, date and initial. Stable for 2 years. CAUTION: Carcinogenic, irritant. Biebrich Scarlet: Biebrich scarlet 2.7 gm
Lab Exercise 3: Media, incubation, and aseptic technique
faculty.sdmiramar.eduCorrectly sterilize and flame transfer instruments and tubes. 8. Properly incubate culture media at the appropriate temperature for the organism and the length of ... glassware, hands, etc. There ... sterilizing to allow the agar to solidify in a slanted fashion. Agar medium to will be poured into plates is sterilized in a flask, and then ...
Technical guide for the elaboration of monographs
www.edqm.euacknowledged laboratory practices, yet without necessarily having any prior knowledge of the investigation in question, to perform the analysis. ... ratio, based upon given specifications for the capacity tolerances of volumetric glassware, are available in the literature. For guidance see Table 2 (it is to be noted that these factors do not
EPA Method 525.2: Determination of Organic Compounds in ...
www.epa.govmeasure of the precision associated with sample collection, preservation, and storage, as well as with laboratory procedures. 3.5 Laboratory Reagent Blank (LRB) -- An aliquot of reagent water or other blank matrix that is treated exactly as a sample including exposure to all glassware,
Synthesis of Aspirin
www.chem21labs.com• Salicylic acid should be disposed of in the solid waste container. ... • Purity test solution should be disposed of in the aqueous waste container. ... (like always cleaning your glassware before you start a reaction). Recrystallization is the most common method of
Hydrochloric Acid 5%, Aqueous for Acid Cleaning Glassware ...
www.newcomersupply.com2505 Parview Road Middleton, WI 53562-2579 800-383-7799 www.newcomersupply.com newly@newcomersupply.com SUPPORT/WARRANTY: For assistance regarding this product contact Newcomer Supply at 800-383-7799 or newly@newcomersupply.com.
Standard Test Method for Water in Petroleum Products and ...
www.asiajuleh.com8.2 The entire glassware assembly shall be calibrated prior to use as follows. 8.2.1 Put 400 mL of dry (0.02 % water maximum) xylene or the solvent to be utilized in the analysis of unknown samples into the apparatus and test in accordance with Section 9. When complete, discard the contents of the trap and add the volume
Sterilizing Glassware and Instruments - Phytotechnology
phytotechlab.comPhyto PhytoTechnology Laboratories, Inc. P.O. Box 13481; Shawnee Mission, KS 66282-3481 Phone: 1-888-749-8682 or 913-341-5343; Fax: 1-888-449-8682 or 913-341-5442 Web ...
MATERIALS SAFETY DATA SHEET (MSDS) Ethanol (C2H5OH)
safetymanagementkey.comUranium Hexafluoride, Iodine Heptafluoride, Tetrachlorosilane, Permanganic acid, Nitric acid [the nitric acid fizz reaction used formally for cleaning laboratory glassware should not be used3,5], Hydrogen Peroxide, Peroxodisulphuric acid, Potassium Dioxide, Sodium Peroxide, Potassium Permanganate, Ruthenium (VIII)
A Rapid and Sensitive Method for the Quantitation of ...
hoffman.cm.utexas.edusodium dodecyl sulfate, Triton X-100, and commercial glassware detergents. Interference by small amounts of detergent may be eliminated by the use of proper controls. Laboratory practice in protein purification often requires a rapid and sensitive method for the quantitation of protein. Methods presently
PierceA Protein Assay Kit BC - Thermo Fisher Scientific
assets.thermofisher.comAll glassware must be cleaned and given a thorough final rinse with ultrapure water. D. Response characteristics for different proteins Each of the commonly used total protein assay methods exhibits some degree of varying response toward different proteins.
Guide to laboratory
www.fao.orgError, precision, accuracy and detection limit 6 ... Grades of chemicals and glassware 189 10. Equivalent and molecular weights of compounds 191 11. Soil sample information sheet 193 ... A service laboratory needs information on a methodology that is widely acceptable, taking into consideration the ready availability of chemicals, ...
Heavy-Duty Glassware . . . toughgh enough - Kimble Chase
www.kimble-chase.comKIMAX® Heavy-Duty Wide-Mouth Volumetric Flasks • Superior strength, durability and safety from heavy, uniform walls • Wide-mouth facilitates up to 50mL pipet access • Quick identification with large, permanent, volume markings
Estimation of Iron (II) in an iron tablet by Calculations ...
mccscience.yolasite.comAll glassware is washed with deionised water. The burette and pipette respectively are rinsed with the solution they are to contain. The tap of the burette is opened briefly to fill the part of the burette below the tap. If a brown precipitate appears during the titration, what does this indicate, and how can it be remedied?
Determination of Total Suspended Solids (TSS) and Total ...
www.umces.eduJul 15, 2005 · procedures. Analyses of LD1 and LD2 indicate precision associated with laboratory procedures, but not with sample collection, preservation, or storage procedures. 3.21 Laboratory Reagent Blank (LRB) ± A blank matrix (i.e., DI water) that is treated exactly as a sample including exposure to all glassware,
Calibration of Volumetric Glassware
web.pdx.eduThe key measuring device in the laboratory is the analytical balance. The accuracy of the counterweights inside the balance is much better than one part per thousand and the balances are serviced and calibrated at regular intervals to ensure their accuracy.
Section 2 - Laboratory Equipment and Functions
www.oxfordsd.orgSection 2: Laboratory Equipment and Functions!2 of !5 Iron ring Supports a beaker over a bunsen burner. Wire gauze is usually placed on top of this structure. Utility clamp Used to hold a test tube or other piece of equipment in place on a ring stand. Wire gauze Suspending glassware over the Bunsen burner
Laboratory/Research Skills for Science Resume
www.memphis.eduLaboratory/Research Skills for Science Resume Dark room equipment Precision balance Volumetric glassware Oscilloscopes Blood gas analyzer Microtomes: paraffin, celloidin X-ray equipment Other Skills or Relevant Experience Data processing Laboratory Statistical analysis Programming skills Database skills Computer languages (HTML, C++, etc.)
4 STERILISATION AND DISINFECTION
www.nios.ac.inthe sterilization of laboratory glassware, media, and reagents. For efficient heat transfer, steam must flush the air out of the autoclave chamber. Before using the autoclave, check the drain screen at the bottom of the chamber and clean if blocked. If the sieve is blocked with debris, a layer of air may form at the bottom
Q4B Annex 14 Step 3 Bacterial Endotoxins
www.ema.europa.euDepyrogenate all glassware and other heat-stable materials in a hot-air oven using a validated process. Commonly used minimum time and temperature settings are 30 minutes at 250°C. If employing plastic apparatus, such as multi-well plates and tips for micropipettes, use only that which has been
List of equipment / apparatus used in microbiology laboratory
microparaohmyblog.weebly.comcommon laboratory incubator is shown in Fig. 2. 3. Hot air oven This is similar to incubator in make except that it can operate at temperatures up to 300°C and has a fan for circulating hot air. Hot air oven is used for sterilization of glassware and materials that are spoiled by moist heat.
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