Buffers

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  • Thomas pH Buffer Solutions

    Thomas®

    Available in clear or color-coded buffers Traceable to NIST standards and available in a variety of packaging selections. Provides a tolerance of ±0.02 pH at 25°C and the bottle label provides temperature correction data from 0° to 50°C. All Thomas buffers offer…

  • Color-Coded pH Buffers

    Ricca Chemical

    Standardized and certified traceable to NIST Standard Color-coded for quick reference Accuracy ±0.01 pH at 25°C pH temperature chart, lot numbers and expiration dates on each label pH 4.0 buffer is colored red, 7.0 buffer is yellow or green and 10.0 buffer is blue.…

  • pH Electrode Solutions

    Thermo Scientific Orion

    Electrode Storage Solution 475 mL plastic bottle pH of solution is 6.2 to 7.4 For short term storage of all electrodes for one day to a week. Electrode Filling Solution Internal filling solution for Ross-type electrodes (3M KCl). In packages of five 50 mL bottles.

  • Orion® pH Buffers

    Thermo Scientific Orion

    Orion pH buffers are manufactured under ISO 9000 quality standards. Buffers are color-coded for ease of use, packaged with buffer/temperature tables for accurate calibrations and NIST traceability. All-in-One Buffer kit (1233M21) includes pint bottles of 4 (pink), 7 (yellow) and 10 (blue)…

  • 3M KCL, Electrolyte

    Mettler Toledo

    Potassium Chloride in liquid form. Solutions are made from the highest quality reagents to provide optimum performance in all types of applications. KCl 3 mol/L 250 mL bottle

  • pH Buffers Solutions

    Hach

    Hach calibration pH buffers are available in a variety of color-coded or colourless solutions, in different packaging types and sizes from 15 mL up to 20 L. pH buffers are also available in convenient single-use pouches (Singlet) and unit-dose powder pillows for on-site and field analyses ensuring…

  • pH Buffer Solutions

    Oakton

    Choose from economical solution bottles or individually sealed pH buffer pouches. NIST traceable materials Labeled with pH vs. temperature tables for accurate calibration All Oakton pH buffer solutions are freshness dated, and standardized against NIST-traceable references to…

  • ROSS™ All-in-One™ pH Buffer Kit

    Thermo Scientific Orion

    Maintain pH electrodes more effectively with Thermo Scientific™ Orion™ ROSS™ All-in-One™ pH Buffer Kits. Convenient buffer kit includes 4.01, 7.00 and 10.01 buffers, ROSS storage solution, cleaning solution and storage bottle. Kit includes one each: 1 pint…

  • 1X PBS, pH 7.4

    Quality Biological

    PBS (phosphate buffered saline) is a balanced salt solution used for a variety biological and cell culture applications, such as washing cells before dissociation, transporting cells or tissue, diluting cells for counting, and preparing reagents. Endotoxin and Mycoplasma tested Applications …

  • Fluka Sodium hydroxide solution volumetric, 1 M NaOH (1N)

    Honeywell

    Chemical name: Sodium hydroxide Product Brand: Analytical Material form: Solution Density (g/cm3): 1.04 Molecular weight: 40 Molecular formula: HNaO Chemical purity: =99.5% UN Number: UN 1824

  • Dilu-Lok II™, Butterfield's Buffer

    Hardy Diagnostics

    Butterfield’s buffer meets or exceeds requirements established by APHA, FDA, AOAC, and USP for food and dairy products and pharmaceutical testing. Monopotassium phosphate is used in the Butterfield's Buffer for plate count procedures in the microbiological examination of various…

  • Buffer Tablets, pH 7.2

    MilliporeSigma

    Phosphate buffer solutions are used in hematology, for the dilution of staining solutions and for the rinsing steps in the staining process. The buffer tablets acc. to Weise will produce a buffered solution (pH6.4/pH6.8/pH7.2) that stabilizes the staining result and gives reproducible staining…

  • pH Electrode Cleaning Kits

    Thermo Scientific Orion

    Extends the life of electrodes Prevents cross-contamination Removes bacterial or protein contaminants All kits contain four 1 oz. bottles of cleaning solution, a 15 mL beaker and a pipette. Sample Kit - includes one bottle each of cleaning solutions A, B, C, D Solution A - for removing…

  • Optimum Results Filling Solutions

    Thermo Scientific Orion

    For use with ionplus® Sure-Flow® ISE electrodes Little or none of the ion of interest present helps prevent sample contamination Application-specific solution formulation improves response time Small temperature coefficients reduce electrode potential shifts from changing…

  • Buffer Calibration Solutions

    Mettler Toledo

    Any pH measurement is only as accurate as the buffer solution used for calibration. These buffer solutions are traceable to primary standards set by NIST. Buffers 5001A40 through 5001A45 come with a quality assurance certificate per DKD and are particularly useful in quality assurance systems.…

  • Traceable® pH Buffer Standards (CRM)

    Thomas®

    The most accurate pH Standards available anywhere Certified Reference Material Traceable® Certificate supplied Highest accuracy available Traceable® pH Standards, Certified Reference Materials, are 100% compatible with all instruments and probes. Accuracy for the…

  • SIGMA Phosphate buffered saline, tablet

    MilliporeSigma

    Synonyms: PBS Application: Phosphate Buffered Saline tablets have been specifically developed for use in immunoassay procedures. Reconstitution: One tablet dissolved in 200 mL of deionized water yields 0.01 M phosphate buffer, 0.0027 M potassium chloride and 0.137 M sodium chloride, pH 7.4,…

  • DPBS without Ca & Mg, 1X

    Quality Biological

    DPBS is a balanced salt solution (BSS) used for the handling and culturing of mammalian cells. Calcium and magnesium facilitate cell binding and clumping. DPBS without these ions can be used to wash and rinse suspended cells. Applications DPBS can be used to provide a buffer system to…

  • 50X TAE Buffer

    Quality Biological

    Tris-acetate provides electrical conductivity and maintains pH. EDTA inhibits metal dependent nucleases by chelating the divalent cations (Ca2 , Mg2 ), thus protecting the DNA from nucleases during the run. Filtered through a 0.22 µm membrane DNase, RNase, and Protease tested Applications …

  • Certipur® Certified Sec. Standard Reference Buffer Solution

    MilliporeSigma

    Density 1.002 g/cm 3

  • TRIS HCl

    RPI (Research Products International)

    Highly purified for use in molecular biology applications.

  • Sorensen's Phosphate Buffer

    Electron Microscopy Sciences

    (Phosphate Mixed Sodium Salts) CAS #: 10049-21-5,  7782-85-6, 22800-01/05 Sorensen, see Dawson et. al, (1969) Sodium Phosphate, dibasic (Na2HPO4xH2O) Sodium Phosphate, monobasic (NaH2PO4xH2O) 0.2M, pH range 5.8…

  • pH Buffer Solutions

    AquaPhoenix Scientific

    pH Buffers are manufactured under ISO 9001 quality standards and are NIST-traceable. Induction sealed caps ensure product integrity and decrease the possibility of leaks. Buffers should be used regularly to calibrate your pH meters.

  • pH Buffer Solutions

    Ohaus

    1.68, 4.01, 6.86, 7.00, 9.18, 10.01, and 12.45 buffer solutions are available in 250 mL bottles.

  • Calibration, Maintenance & Cleaning Solutions

    Milwaukee Instruments

    Milwaukee offers a wide range of calibration, maintenance & cleaning solutions. The use of calibration and cleaning solutions is fundamental for the correct use of electrodes and for obtaining the most accurate and reproducible readings. Often readings are not correct because the sensors have not…

  • Electrolytes

    Mettler Toledo

  • Certipur® Buffer Solution, pH 1.00

    MilliporeSigma

    pH: 1.0 (H2O, 20°C) Solubility: (20°C) soluble Density: 1.00 g/cm3 (20°C)

  • PBS 1X Solution

    RPI (Research Products International)

    Phosphate Buffered Saline is a buffer solution commonly used in biological research. PBS has many uses because it is isotonic and non-toxic to most cells. These uses include substance dilution and cell container rinsing. Ready to use sterile 1X solution. Ingredients: Sodium…

  • Certipur® Buffer Solution, pH 12.00

    MilliporeSigma

    (di-sodium hydrogen phosphate/sodium hydroxide) traceable to SRM from NIST und PTB pH 12.00 (25°C) Certipur®

  • Buffer, Reference Standard, pH 12.45 ± 0.01 at 25°C

    Ricca Chemical

    pH made Easy. Everything you need and want in a pH Buffer. NIST Traceability. Consistent, reliable performance. The tightest specification (+/- 0.01 pH unit) on all buffers. Long Expiration dates. Multiple sizes to fit your usage and budget constraints. All combined in one of the most comprehensive…

  • Buffer pH 4.01 Powder Pillows

    Hach

    Buffer pH 4.01 Powder Pillows Color coded red For 50a-mL samples

  • Normal Saline

    Quality Biological

    Normal Saline’s isotonic solution is used as a general laboratory diluent. With 9 g/L sodium chloride For non clinical use Applications Normal Saline can be used in the following microbiology applications: solvent, washing agent for cells/bacteria/specimen, buffer in aseptic techniques…

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