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Best Buffer Solutions

Hanna Instruments HI 96822 Refractometer for Measuring Salinity of Natural and Artificial Seawater

  • Ability to calibrate with distilled or deionized water, no buffer solutions necessary.
  • Waterproof, for using both indoors and outdoors.
  • Automatic temperature compensation (ATC), to eliminate need for extra calculations.
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HORIBA LAQUAtwin 3200459869 Model S050 Replacement Calcium Ion Electrode, 4-9900 ppm Measuring Range

  • Proprietary pH sensor technology and premium materials from Switzerland.
  • Unique LabSen blue hemispherical glass membrane, faster response rate, better repeatability, and impact-resistant.
  • Long-life reference system, improving the stability of reference electrode and prolong the service life of the electrode.
  • No more air bubbles inside the glass membrane thanks to the Swiss blue gel electrolyte..
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Tell Manufacturing DT100084 Concave Wall Stop, Satin Stainless Steel Wrought, 2-1/2

  • Austor Direct Customer Service Team is dedicated to offering our valued customers a great and professional services - Timely email reply, Helpful solutions, Refund & Return Warranty..
  • All Austor products supply 45 days money-back & 18-month warranty. Any questions you have, please don't hesitate to contact us. We will get you back within 24hours..
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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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Membrane Solutions 10 Pack Syringe Filter Sterile PES Hydrophilic Filtration 0.22um Pore Size 33mm Membrane Diameter Sterile PES Membrane Individually Packed

  • ✅VARIOUS APPLICATION - Needle Syringe filters are broadly used in life science laboratories for sterilization of small volume samples, such as protein, culture medium, additives, buffers, reagents, and drugs..
  • ✅HIGH QUALITY FILTERS - Membrane Solutions sterile syringe filters with extremely high microbial filtration capacity and unique threaded interface design with ISO 9001 certificated..
  • ✅PES MEMBRENA - Sterile Polyethersulfone (PES) needle filters have Polyethersulfone microporous membrane, belongs to hydrophilic membrane, high flow and lowest protein adsorption, which can meet the broadly applications, such as buffer, protein, culture medium, additives and so on..
  • ✅STERILE SYRINGE FILTERS - sterile syringe filters are made with PES membrane filters with polypropylene (PP) housing, using the most advanced methods and design features. The PES syringe filters with GF pre-filter has excellent dirt-holding capacity, which makes a syringe filter a much larger throughput for some “hard to filter” sample..
  • ✅UNIFORM PORE SIZE - Sterile PES Syringe Filter with uniform pore size structure.
  • wide pore size selection, retention of granule cell collection. PES Syringe Filter Diameter: 33mm, 0.22um pore size can fast sterilization of buffers, culture m....
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Apera Instruments MP511 Benchtop pH Meter Accuracy ±0.01 pH Range -2.00-19.99 pH 500 Sets of Data Storage RS232 Data Export

  • ACCURATE MEASUREMENT: Accuracy: 0. 01 pH, Range: -2. 00-19. 99 pH, ATC, Auto Calibration with buffer recognition. Adopts advanced digital filtering....
  • Data Processing: GLP standard data management, 500 data sets of storage, manual/auto timing storage, RS232 data output.
  • RELIABLE Structure Design: Large LCD with blue backlit, Meets IP54 waterproof and dustproof.
  • Comes with all-in-one pH electrode, flexible electrode holder, calibration solutions, and RS232 software.
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Apera Instruments Value Series EC20 Conductivity EC Pocket Tester Kit ±1% F.S Accuracy in 0 to 20 mS/cm BPB Sensor

  • APERA's unique BPB (Brush-resistant Platinum Black) probe 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 CLEAR LCD with DUAL Display of temp./ppt, and REMINDERS of completed calibrations and stable readings.
  • COMPLETE KIT with READY-TO-USE calibration solutions, batteries, and a lanyard in a portable carrying case.
  • 1000 hours' continuous operation time powered by AAA batteries.
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Apera Instruments SX823-B Portable Multi-Parameter Meter Kit pH/Conductivity/TDS/Temp Accuracy ±0.01 pH ±1% F.S

  • 3-pt Auto Calibration with auto buffer recognition, Auto Temp. Compensation, Testing pH (ORP)/Conductivity/TDS/Temp. simultaneously.
  • ACCURATE Measurement, QUICK Response & CONSISTENT Results thanks to the digital filter technology and high quality Sanxin pH/Conductivity Electrodes.
  • INTELLIGENT Functions: EASY display switch among pH/Conductivity/TDS.
  • Easy parameter setup, Self-Diagnosis of out-of range values and electrode....
  • RELIABLE Structure Design: Large clear LCD display, foldable stand allows use as a benchtop, soft silicon case gives you a comfortable grip, IP57....
  • COMPLETE Test Kit of pH&EC electrodes, calibration solutions, soaking solution, backup batteries, and a rugged portable case.
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APERA INSTRUMENTS AI209-T Value Series PH20 pH Tester Combo Kit, including the Maintenance Set, and a CalPod Solution Holder for Easy Calibration

  • The top-rated pH tester now comes with a complete CALIBRATION and PROBE CARE Combo Kit, ensuring reliable test performance.
  • Comes with a probe cleaning brush for easy removal of contaminants on probes, maximizing probe's life-span.
  • Comes with Apera's unique CalBox, heping you organize all the solutions and save cost on buffers by at least 50%.
  • Apera quality pH sensor with low impedance, greatly improving response speed and shorteninb stablizing process.
  • Easy auto. calibration with buffer recognition.
  • auto. temp. compensation (ATC) ensures accuracy in various temperatures (32 to 122˚F).
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Total RNA Extraction Kit (100 Preps); Extract Total RNA from Bacteria (Gram+/-), Yeast & Fungi Tissue (Cepham Life Sciences)

  • The genome analysis method culturing non-microbial studies allows for assessment of soil, waters, tidal flats, rivers, and various natural samples from the environment..
  • Includes glass beads for economical and efficient lysis, instead of relying on chemical lysis.
  • Kit contains: Max Bind DNA Mini Columns (1 bag.
  • Disrupter tubes- glass beads- 2 mL (1 bag.
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Genomic DNA Extraction Kit (Bacteria), 50 Preps, 10644 -from Cepham Life Sciences

  • Isolate genomic DNA from both Gram-positive & Gram-negative bacteria.
  • High yield, high quality DNA for sensitive downstream applications including sequencing, PCR & qPCR.
  • Spin columns-collection tubes- 2 mL (50/bag).
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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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8 Pcs Nail Files and Buffers, 100/180/240 Nail File for Natural and Acrylic Nails, Nail File Buffer Double Sided, Nail File Buffer Kit Professional for Shaping & Smoothing Nails

  • Professional Nail File and Buffer: Pack of 8 nail file and buffer set includes 3pcs 100/180 emery boards, 3 pcs 180/240 nail files, 100/180 and 220/280 nail file blocks. These nail files and buffers can be used for shaping, sanding, smoothing. Different grades of roughness meet your different nail needs..
  • Nail Files for Acrylic Gel and Natural Nails: The emery board nail file is ideal for quickly shaping and filing long acrylic nails or gel enhancements in 100 grit. The 180 grit nail file is ideal for contouring and shaping acrylic nails, removing gel nails. While the fine grit nail file in 240 grit is used to preparing nails, filing weak or thin natural nails, polishing, smoothing out imperfections..
  • Nail Buffer for Gel Nails: 100/180 Grit nail buffer’s gravel is medium rough, fits for removing nail gel and reducing scratches. The nail buffer block in 180/240 grit help polish uneven nail surface and prepare enhancements for lacquer..
  • Premium Material Nail Files and Buffers: This nail buffer set is made of high toughness materials and sponge blocks, imported sand surface technology is used to prevent sand loss for a long time. High technology ensures that the size of each fine sand particle is uniform, double-sided design, providing you with a comfort....
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