Top Chromatography Reagents

SCIEEN Autosampler Vial, 2ml HPLC Vial, Amber Lab Vial, Sample Vial with Writing Area, 9-425 Screw-Thread Vial, Blue Screw Cap with Hole, Red PTFE & White Silicone Septa 100 Pack

  • ... - 2ml Clear GC sample vials 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.
  • ✅APPLICATION - Standard Autosampler Vial for HPLC & GC Chromatography, sample vials can be used for high performance liquid chromatography and gas chromatography for reliable analysis results.
Check Stock

Autosampler Vials, Membrane Solutions 2ml HPLC Vials, 9-425 Lab Clear Vials with Write-on Spot and Graduations, 9mm Blue ABS Screw Caps & Septa for GC Sample Vials, 100 Pcs

  • ...pta can reduce flat pins curving and When collecting in large quantities, prevent negative pressure from forming in the sample bottle. It is highly recommended to use pre-opening septa for Shimadzu, Hitachi and other autosamplers with finer needle specifications.
  • APPLICATION - Standard Autosampler Vial for HPLC & GC Chromatography, sample vials can be used for high performance liquid chromatography and gas chromatography for reliable analysis results.
Check Stock

United Scientific® BTDR-5, Bottle Top Dispenser (5-60ml) | Chemical Compatible Bottle Dispenser | 1 Each

  • SAFE, PRECISE, ACCURATE – Our bottle top dispensers can be used to dispense precise amounts of chemicals, reagents, organic and inorganic solvents, oils and more from bottles or other containers. Bottletop dispensers allow you to safely dispense a fixed amount of liquid directly from a bottle to a receiving container. Bottle top dispensers help reduce the loss of reagents, save time, and reduce risk..
  • JAM FREE TECHNOLOGY – The ETP O-Ring ensures proper lubrication for the PTFE piston against the glass barrel to ensure a smooth and jam-free dispensing experience..
  • USE WITH CONFIDENCE – United Scientific bottletop dispensers are ISO 9001, ISO 13485, ISO 17025, and CE certified. Outperforms ISO 8655 standards (0.5% accuracy) in practical lab environments. A calibration certificate guaranteeing ISO level accuracy and precision is provided and is valid for one year. Our dispensers are fully autoclavable at 121° C and 15 PSI for 10-15 mins..
Check Stock

Cytiva 3001-640 Grade 1 Chr Cellulose Chromatography Paper Roll, 3cm Width, 100m Length

  • PACK OF 100 || 100 sheets of no. 1 chromatography filter papers.
  • LARGE || Each sheet measures 23" x 18" and is very thin.
  • FOR SEPARATION || Used in chromatography to separate a sample into its component parts - Used to test for the presence of various materials, to monitor the rate and progress of a reaction or to determine the purity of a product.
  • USEFUL IN FUN EXPERIMENTS || Can be used for various experiments in the laboratory and at home - Paper allows students to separate most water-soluble inks into their original blended pigments to reveal their hidden coloration.
  • ABSORBENT || Absorbs liquids and provides more surface area for evaporation meaning more and faster evaporation which, in turn, means more vapor which is often desired.
Check Stock

Marquest Scientific PVC Duraline (DL-DD-1) Deionized Water Laboratory Faucet, Metering Control Valve, Deck Mount

  • ✔DETECTION LEVELS: Arsenic 0, 5, 10, 20, 30, 40, 50, 60, 80, 100, 150, 200, 250, 300, 400, 500, 003e500 ppb.
  • ✔EASY TO USE: Clearly labeled materials, and safe to use reagents make the product ideal for technical and non technical users alike for detection of Arsenic in water. Gives results in 12-14 minutes.
  • ✔COMPLETE KIT: Plastic Black Case contains 3 Reagents, Easy Read Color Chart, 3 Plastic Spoons, 100 Arsenic Test Strips, 2 Reaction Bottles, 2 Yellow Caps, 2 White Caps With Turrets.
  • ✔ACCURATE AND RELIABLE: EPA/ETV Test Verified Performance. Components are tested by Quality Control personnel at each step and are rejected if they are outside of specifications. Standards are prepared using calibrated equipment, and concentrations are confirmed by recognized reference methods.
  • ✔HIGHEST QUALITY: ITS, manufactures water quality testing products in their USA facility in an environment that allows for reproducibility, accuracy, and traceability based on Good Manufacturing Practices.
Check Stock

Industrial Test Systems Quick 481297-I Arsenic Low-Range for Water Quality Testing, 50 Tests, 12 Minutes Test Time

  • ✔EASY TO USE: Clearly labeled materials, and safe to use reagents make the product ideal for technical and non technical users alike for detection of Arsenic in water. Gives results in 12-14 minutes.
  • ✔COMPLETE KIT: Plastic Black Case contains 3 Reagents, Easy Read Color Chart, 3 Plastic Spoons, 50 Arsenic Test Strips, 2 Reaction Bottles, 2 Yellow Caps, 2 White Caps With Turrets.
  • ✔ACCURATE AND RELIABLE: Components are tested by Quality Control personnel at each step and are rejected if they are outside of specifications. Standards are prepared using calibrated equipment, and concentrations are confirmed by recognized reference methods.
  • ✔HIGHEST QUALITY: ITS, manufactures products for testing water quality in their USA facility in an environment that allows for reproducibility, accuracy, and traceability based on Good Manufacturing Practices.
  • ✔DETECTION LEVELS: Arsenic 2, 4, 10, 15, 20, 25, 30, 40, 50, 60, 70, 80, 100, >150, >300 ppb.
Check Stock

Industrial Test Systems Quick II 481300 Arsenic Ultra Low for Water Quality Testing, 25 Tests, 14 Minutes Test Time

  • ✔DETECTION LEVELS: Arsenic 0, 0. 3, 0. 7, 1. 0, 1. 5, 2. 0, 2. 5, 3, 3. 5, 4, 5, 6, 8, 10, 13, 20, >20 ppb. Optimum range 0. 3 to 6 pp.
  • ✔EASY TO USE: Clearly labeled materials and safe to use reagents make the product ideal for technical and non technical users alike for detection of Arsenic in water. Gives results in 12-14 minutes.
  • ✔COMPLETE KIT: Plastic Black Case contains 3 Reagents, Easy Read Color Chart, 3 Plastic Spoons, 25 Arsenic Test Strips, 2 Reaction Bottles, 2 Black Caps, 2 Blue Caps With Turrets.
  • ✔ACCURATE AND RELIABLE: EPA/ETV Test Verified Performance. Components are tested by Quality Control personnel at each step and are rejected if they are outside of specifications. Standards are prepared using calibrated equipment, and concentrations are confirmed by recognized reference methods.
  • ✔HIGHEST QUALITY: ITS, manufactures water testing products in their USA facility in an environment that allows for reproducibility, accuracy, and traceability based on Good Manufacturing Practices.
Check Stock

Autosampler Vial - 2ml HPLC Vial | 9-425 Amber Vial with Blue Screw Caps | Writing Patch | Graduation | White PTFE & Red Silicone Septa Fit for LC Sampler (100pcs)

  • Screw thread autosampler vials are made of borosilicate glass.
  • 20mL Clear autosampler vial with 20mm jaw cap.
  • Sample Vials with unique thread design ensures consistent seal and can be reused, not volatile, easy to use.
  • Vials can be used for high performance liquid chromatography and gas chromatography for reliable analysis results.
  • Vials require fewer turns to make a tight seal, saving you time, especially when you consider how often vials need to be opened and closed, and how many samples you have.
Check Stock

Microlit Bottle Top Dispenser (1-10ml) - Chemical Compatible Bottle Dispenser

  • SAFE, PRECISE, ACCURATE – Our bottle top dispensers can be used to dispense precise amounts of chemicals, reagents, organic and inorganic solvents, oils and more from bottles or other containers. Bottletop dispensers allow you to safely dispense a fixed amount of liquid directly from a bottle to a receiving container. Bottle top dispensers help reduce the loss of reagents, save time, and reduce risk..
  • JAM FREE TECHNOLOGY – The ETP O-Ring ensures proper lubrication for the PTFE piston against the glass barrel to ensure a smooth and jam-free dispensing experience..
  • CHEMICAL COMPATIBILITY – Microlit dispensers utilize SpringlessValve technology and a PTFE piston. The absence of spring in the valve and the use of inert materials ensures high chemical compatibility with a wide range of acids, bases, solvents, organics, and inorganics (complete compatibility chart provided)..
  • USE WITH CONFIDENCE – Microlit bottletop dispensers are ISO 9001, ISO 13485, ISO 17025, and CE certified. Outperforms ISO 8655 standards (0.5% accuracy) in practical lab environments. A calibration certificate guaranteeing ISO level accuracy and precision is provided and is valid for one year. Our dispensers are fully autoclavable at 121° C and 15 PSI for 10-15 mins..
Check Stock

Syringe Filters Nylon Membrane - 25mm Membrane Diameter,0.22um Pore Size,Pack of 100

  • 003cp003e[PACK OF 100] Syringe filters with Nylon membrane and PP housing. Hydrophilic nylon membranes are used for the filtration of aqueous and organic solvents, such as high performance liquid chromatography and gas chromatography.003c/p003e.
  • 003cp003eNylon Syringe Filter efficient flow characteristics, low extractable levels and mechanical stability. Hydrophilic Nylon Syringe Filter Diameter: 25mm, Pore Size: 0.45μm .003c/p003e.
  • 003cp003eNylon Syringe Filter with resistant to alkalis and organic liquids, natural hydrophilicity. No need to infiltrate before use, uniform aperture mechanical strength.003c/p003e.
  • 003cp003eSyringe Filters with Needle widely used in sample pre-filtration, clarification, removal of particles, liquids and gases. Is the preferred method for filtering HPLC, GC small samples.003c/p003e.
  • 003cp003eWe can provided full technical support and guarantee a new replacement or money back with 30 days .003c/p003e.
Check Stock

Syringe Filters [Hydrophilic Nylon Membrane] Non-sterilized 25mm Diameter 0.45μm Pore Size for Laboratory Filtration by Allpure Biotechnology Nylon Pack of 100

  • [PACK OF 100] Syringe filters with Nylon membrane and PP housing. Hydrophilic nylon membranes are used for the filtration of aqueous and organic solvents, such as high performance liquid chromatography and gas chromatography..
  • Nylon Syringe Filter efficient flow characteristics, low extractable levels and mechanical stability. Hydrophilic Nylon Syringe Filter Diameter: 25mm, Pore Size: 0.45μm ..
  • Nylon Syringe Filter with resistant to alkalis and organic liquids, natural hydrophilicity. No need to infiltrate before use, uniform aperture mechanical strength..
  • Syringe Filters with Needle widely used in sample pre-filtration, clarification, removal of particles, liquids and gases. Is the preferred method for filtering HPLC, GC small samples..
  • We can provided full technical support and guarantee a new replacement or money back with 30 days ..
Check Stock

HI701-25 Free-Chlorine Refill for the Hanna HI701 Checker Handheld Colorimeter

  • Marked with expiration date and lot number for traceability.
Check Stock