ReviewsChromatography Calibration Solutions

Extech PH220-C Waterproof Palm pH Meter with Cabled Electrode

  • 3 Modes in 1: With the VIVOSUN 3-in-1 pH meter, you can accurately measure pH, TDS and temperature values to discover your water quality and ensure your family’s health.
  • Automatic Calibration: Featuring three-point calibration, the VIVOSUN pH pen can automatically identify calibration solutions of pH 4.00, pH 6.86 and pH 9.18.
  • High Accuracy: Highly sensitive probe gives you a full measurement range of 0-14 pH, 0.01 pH resolution.
  • pH tester digital green backlit display ensures you can read the measuring results under any conditions.
  • Automatic Temperature Compensation: With the VIVOSUN pH meter’s accurate ATC, pH / TDS / EC / temp function can accurately read sample values across a broad temperature range of 32 °F-140 °F.
  • Solve the problem of inaccurate measurements caused by changes in liquid temperature.
  • Multiple Uses: Pocket-sized and multi-functional, the VIVOSUN pH tester is ideal for daily use, to add to water testing kits for drinking water, or as a gift for family and friends.
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Datacolor SpyderX Pro Advanced Monitor Calibration with Datacolor SpyderCheckr 24 Color Calibrator Bundle (2 Items)

  • Bundle Includes: Datacolor SpyderX Pro Advanced Monitor Calibration and Datacolor SpyderCheckr 24 Color Calibrator.
  • Intuitive Software: Whether you are looking for a quick calibration or a customized color profile, SpyderX gives you easy-to-use solutions. SpyderX Pro offers One-click Calibration and Step-by-step Assistant modes, along with interactive help every step of the way.
  • Calibrate All Of Your Monitors: SpyderX allows you to calibrate multiple laptops and desktop monitors and supports the latest display technologies, so you can be confident that your colors are always accurate no matter which of your computers or displays you are working on.
  • Spyderproof: Before and After: With this SpyderProof feature, you’ll see the difference right before your eyes. Just one click allows you to compare your monitor colors before and after calibration and see the nuances that matter most. Try it with a Datacolor composite image or upload your own favorite photos.
  • Room Light Monitoring: SpyderX features an integrated ambient light sensor that can measure your room light throughout the day allowing you to adjust your display brightness and contrast to ideal levels. The software can either warn you to recalibrate or do it automatically using custom profiles based ....
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Apera Instruments, LLC-AI314 Premium Series EC60 Waterproof Conductivity Pocket Tester Kit, ±1% F.S Accuracy, Easy Switch of EC/TDS/Salinity, Replaceable Probe

  • APERA’s unique Replaceable Platinum Black sensor ensures high accuracy and consistency in a wide-range conductivity measurement.
  • EASY Auto. Calibration with auto buffer recognition.
  • Auto Temp. Compensation (ATC) ensures accuracy in variant temperatures (0-50. 0˚C).
  • LARGE LCD with 3 backlit color (indicating 3 different modes), DUAL Display of temp. /EC, and indications of completed calibrations and stable readings.
  • One-tap switch from conductivity to TDS/Salinity with customizable TDS factor (0. 40-1. 00).
  • Complete kit with READY-TO-USE calibration solutions, calibration vials, AAA batteries, and a lanyard all in a portable carrying case.
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Thames & Kosmos Ooze Labs Chemistry Station Science Experiment Kit, 20 Non-Hazardous Experiments Including Safe Slime, Chromatography, Acids, Bases & More, Multi-Color

  • Play the role of chemist with this huge, colorful, functional lab station!.
  • Create glowing slime, fizzing reactions, oozing Bubbles, colorful chromatography, and more!.
  • With 57 pieces, this kit has everything you need to conduct experiments like a real scientist, including beakers, test tubes, flasks, pipettes, and more..
  • Printed experiment cards clip onto the lab station for easy reference and additional experiments and Scientific explanations are included in a separate 16-page, full-color manual..
  • A Parents' Choice Silver Honor Award WinnerDescriptionGrab your beakers and test tubes and step up to your special laboratory station for some exciting chemistry experiments. See how much fun chemistry can be as you do slimy, fizzy, colorful, and bubbly experiments. This cool laboratory setup has lots of different vessels and pieces of lab equipment so kids can play the role of chemist while doing real, safe experiments. All of the experiments use non-hazardous chemicals. This playful introduction to the basics of chemistry includes approximately 20 experiments. The experiments are presented on printed cards that can be clipped onto the lab station for easy reference. Experiments include glowing slime,....
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Acme Analytical Solutions pH 4 and 7 Buffer Solutions, 2 Gallons Total, pH Meter Calibration Solution, NIST Traceable Reference Standards, Designed for All pH Meters, 2 x 3.8 Liters, pH Buffer Combo

  • OPTIMAL CHOICE: The ACME pH 4 and 7 buffer solution is essential for measuring the pH level of any substance with a meter and electrode. These professionally made pH buffers are stable and resistant to change, so you can obtain accurate results every time..
  • READY TO USE LIQUIDS: Our pH 4 and 7 calibration solutions are ready to use and do not require dilution..
  • PREMIUM PACKAGING: The products come in heavy-duty gallon containers. No need to worry about leakage during shipping. Each gallon will have a lot number and expiration date..
  • QUALITY STANDARD: All of our pH buffers are traceable to NIST (National Institute of Standards and Technology, USA).
  • UNIVERSAL SOLUTION: These pH calibration solutions can be used with most pH meters. pH 7 is color coded yellow. pH 4 is color coded red..
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2ml 9mm HPLC Vial，Clear Autosampler Vial, Borosilicate Sample Vial with Graduation, 9-425 Type Screw Threaded Vial, Blue Screw Cap with Hole, Red PTFE&White Silicone Septa, 100 of Pack by ALWSCI

  • ...lear injectable septum cap vial included blue ABS Screw Cap & Septa (Red PTFE/White Silicone Liner) This PTFE/Silicone septa with PTFE chemically inert before being penetrated and strongest repetitive sealing ability-recommended for multiple penetration sampling.
  • Compatible： Standard Autosampler Vial for HPLC & GC Chromatography, vials can be used for high performance liquid chromatography and gas chromatography for reliable analysis results.
  • Application: Standard Autosampler Vial for HPLC & GC Chromatography, vials can be used for high performance liquid chromatography and gas chromatography for reliable analysis results and can be used on all common autosamplers due to their technical geometry, preferentially they are found on Agilent, HTA, Shimadzu, Thermo Scientific, Varian, Waters,etc or General Storage..
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Hanna Instruments HI 9813-6N Waterproof pH/EC/TDS Temperature Meter Clean and Calibration Check for Growers, 0 to 50 Degree C, 9V Battery

  • Starter set with portable, water-resistant meter for testing pH, electroconductivity, and total dissolved solids, provided with solutions and sachets.
  • Calibration check function to validate instrument performance.
  • Automatic temperature compensation (ATC) to eliminate the need for extra calculations.
  • Alert system when low battery and potential measurement error.
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Digital pH Meter, Dr.meter 0.01 Resolution High Accuracy PH Tester, Auto Temperature Compensation pH Testing Pen with Backlit Two-Color LCD Display and Data Hold, 0-14pH Measurement Range Water Tester

  • ...m chloride powder into 20ml of pure water and mix well. Then put the probe into the solution for 24 hours, take it out and clean the residual solution on the surface of the sensitive bulb. Now, you can start to calibrate. (Note: If the sponge is wet enough, please skip this step.).
  • DURING USE: If there is inaccurate calibration, repeat the step of 'Before Use'. If using your own potassium chloride powder, prepare the solution by adding 61.5g of KCL into 250ml of water. Then, put the probe into the solution for 24 hours, take it out and clean the residual solution on the surface of the sensitive bulb. Now, you can start to calibrate..
  • AFTER USE: To ensure the activity of the sensitive bulb, add a drop of newly prepared potassium chloride solution into the sponge inside the probe cover. Also, to better maintain the activity of the sensitive bulb, add the solution to the sponge every two months..
  • ▶ 【Notification】Calibrate once per week if you often test solution of PH 10, or once per half month for neutral solutions. The 250ml calibration solution for multiple uses (10ml or so each time). Then rinse the electrode with pure water before next test. Rinse and rest 3-5 min before conversing from strong acid to strong alkaline and vice versa..
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Triplett RHT05 Handheld Hygro-Thermometer Pen with Certificate of Traceability to NIST - Temperature, Humidity, Wet Bulb, Dew Point

  • Certificate of Traceability from the National Institute of Standards and Technology (NIST) to achieve the highest possible levels of measurement quality.
  • Dual display simultaneously displays Humidity and Air Temperature, Wet Bulb, or Dew Point.
  • Data Hold freezes the reading on the display.
  • Conserve battery life with Auto Power Off with disable.
  • Built-in Humidity calibration using optional calibration solutions.
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AMTAST Portable Turbidity Meter Kit Handheld Turbidity Tester with Carrying Case, Range: 0-19.99, 20.0-199.9, 200-1000NTU

  • Quick and easy 1 to 3 points Auto. Calibration with calibration guide (auto. recognizes 5 types of pH standards).
  • The quality 201T-F pH/temperature combination electrode ensures stable & accurate measurements of regular water solutions for scientific research and quality control.
  • GlP data management (500 groups of data storage) with usb data output.
  • Electrode’s slope display between calibrations shows the health of your pH electrode.
  • The large backlit LCD displays pH and temperature simultaneously along with icons of stable readings and finished calibrations.
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VIVOSUN Digital PH Meter for Water, 0.05ph High Accuracy Pen Type PH Tester for Hydroponics, Household Drinking, Pool and Aquarium

  • HIGH ACCURACY – Built-in with a sensitive electrode sensor, our PH tester measurement range is 0.00~14.00pH (Resolution 0.01pH).
  • accuracy: +0.01pH(@ 20℃) /±0.02pH, which will allow you to test your liquid quickly and accurately..
  • AUTOMATIC CALIBRATION – Factory calibrated, but recalibration is needed in case of long period of inactivity or after a frequent use. pH 4.01/pH 6. 86/pH 9.18 calibration powders are included. Push the auto-calibration button, the tester will automatically identify the calibration solutions..
  • AUTOMATIC TEMPERATURE COMPENSATION – Thanks to the built-in automatic temperature compensation(ATC), our PH tester can accurately test pH value of the sample at any temperature in the range of 0℃- 50℃, no need to take care about the temperature of testing liquid..
  • FAST RESULTS & COMPACT SIZE – No more consuming paper strips or other inaccurate pH test chemicals, it only takes a few seconds for your result to appear on screen. The lightweight and portable size allows you to take it around easily in your pocket and do your measuring anywhere..
  • WIDELY USED - Ideal for home or laboratory uses. Can be used to test drinking water, swimming pools, PH balance in aquarium, hydroponics, bath tub, RO system, spa, wine, beer and any....
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