Ground Glass Stopper

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Ground Glass Stopper
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  • KIMAX Brand Joint Stoppers

    DWK Life Sciences (Kimble)

    Borosilicate, with penny head Conforms to ASTM Standard E 675 Size Standard Taper 13 has solid plug; size Standard Taper 38 has recessed bottom Standard Taper designation indicates the approximate diameter of the ground zone at its widest (gauging) point.

  • Key-Head Color-Coded Medium Length PTFE Stoppers

    DWK Life Sciences (Kimble)

    Stoppers are used with laboratory glassware such as flasks and separatory funnels. PTFE has excellent chemical resistance and resists freezing in ground glass joints Remove the colored polyethylene handle from the PTFE stopper before cleaning or exposing to temperatures above 80 °C …

  • Volumetric Flask, Class B, with Glass Stopper

    United Scientific Supplies

    Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A ground glass stopper is included.

  • Ground Glass Wide Mouth Stoppered Bottles

    DWK Life Sciences (Wheaton)

    Wide mouth bottles Ideal for solids and viscous liquids Bottles are designed for easy cleaning in dishwasher or with a brush Specially designed rim prevents fluids from running down the outside of the bottle Wheaton 400 borosilicate glass Standard Taper stopper size indicated in listings.

  • Volumetric Flask, Class A, with Glass Stopper, Batch Certified

    United Scientific Supplies

    Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A ground glass stopper is included. Meets Class A specifications per ASTM E-288. Batch certified.

  • Volumetric Flask, Class A, with Glass Stopper, Individually Certified

    United Scientific Supplies

    Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A ground glass stopper is included. Meets Class A specifications per ASTM E-288. Individually serialized and certified.

  • Glass Stoppered Bottles

    Corning

    Narrow mouth PYREX® with glass stopper With ground neck With ground glass stoppers 125 mL and 250 mL bottles are furnished with a number 19 Standard Taper stopper; 500 mL bottles are furnished with a number 24 Standard Taper stopper; 1,000 mL and 2,000 mL bottles are…

  • Stopper, Glass

    Ace Glass

    Ground glass stopper for 7/10 or 14/20 joint, for use with microscale equipment.

  • Clear Ground Glass Narrow Mouth Stoppered Bottles

    DWK Life Sciences (Wheaton)

    Features a no-drip pour lip for easy pouring of contents Stopper protects contents from airborne contaminants Low-profile provides added safety when stored or in laboratory use Clear bottles are of Wheaton 33 borosilicate glass (USP Type I).

  • Safe-Lab® Glass Stopper 29/42

    Bel-Art Products

    Interchangeable with penny head stoppers. Use with boiling and distilling standard tapered flasks. These lightweight, hollow, borosilicate glass stopper have a flat hex head for easy gripping. Includes extracting nut for safe removal from flasks with ground joints Chemical resistant and…

  • ULTRA-WARE® Microfiltration Assembly with Fritted Glass Support and Ground Joint…

    DWK Life Sciences (Kimble)

    …volumes of HPLC solvents. The ground glass connection eliminates the possibility of phthalate contamination that can occur when using silicone or neoprene stoppers Each apparatus is supplied with 1000 mL funnel; 90 mm, 40-60 micron porosity, fritted glass support base; anodized aluminum…

  • KIMAX® Volumetric Flasks with [ST] Glass Stopper, Mixing Bulb Style, Class A,…

    DWK Life Sciences (Kimble)

    …Flasks feature a mixing bulb in the neck, between the stopper and capacity ring, that contains approximately one-tenth of the capacity of the body to aid in dissolving or mixing the contents. With marking spot, [ST] ground glass stopper, and graduation ring blasted on the neck. Designed from…

  • Stopper No. 13 Cs 6

    DWK Life Sciences (Kimble)

    Yellow and blue closed-bottom linear high-density polyethylene stopper to fit in the ground glass neck Enlarged flange on stopper is designed to protect the glass if tipped over Size: 13 Case of 6

  • Stopper Pressure Relief

    Glas-Col

    …vessel. The shape of the stopper allows manual or machine shaking and avoids solution leakage. For manual shaking, the stopper is held in place by hand. On Glas-Col shakers, glassware holders automatically restrain the stopper. The non sticking, ground glass valve is backed with a…

  • PYREX® VISTA™ Filtering Flasks

    Corning

    …microchemical use. The vacuum hose is attached to the flask's sidearm. A funnel is inserted into the neck of the flask through a ground joint or rubber stopper. The applied vacuum facilitates the filtration process. These flasks have permanent blue enamel marking spots. The filtering flask is…

  • Stopper No. 19 Cs 6

    DWK Life Sciences (Kimble)

    Replacement part for items that are ground to stopper dimensions. Yellow and blue stopper has a closed bottom. The enlarged flange is designed to protect the neck if the glass object is tipped over.

  • KIMAX Squibb Separatory Funnels With Plastic Stopper

    DWK Life Sciences (Kimble)

    With Teflon ® stopcock plug Standard Taper ground neck has solid plug stopper of high-density polyethylene Designed for Federal Specification NNN-F-800

  • Test Tubes With Glass Stoppers

    DWK Life Sciences (Kimble)

    Made from KIMAX KG-33 glass tubing Round bottom and slightly constricted neck with Standard Taper solid ground glass stoppers Tubes have a sand-blasted spot for marking 100 x 13 mm size test tubes include No. 9 Standard Taper stopper; 150 x 16 and 150 x 19, No. 13; 175 x 22 and 200 x…

  • Snorkel Stopper Taper 22

    Glas-Col

    …vessel. The shape of the stopper allows manual or machine shaking and avoids solution leakage. For manual shaking, the stopper is held in place by hand. On Glas-Col shakers, glassware holders automatically restrain the stopper. The non sticking, ground glass valve is backed with a…

  • Amber Ground Glass Narrow Mouth Stoppered Bottles

    DWK Life Sciences (Wheaton)

    Features a no-drip pour lip for easy pouring of contents Stopper protects contents from airborne contaminants Low-profile provides added safety when stored or in laboratory use Amber bottles are of Wheaton 33 borosilicate glass (USP Type I). Amber bottles protect light-sensitive samples during…

  • Stopper Pressure Relief

    Glas-Col

    …vessel. The shape of the stopper allows manual or machine shaking and avoids solution leakage. For manual shaking, the stopper is held in place by hand. On Glas-Col shakers, glassware holders automatically restrain the stopper. The non sticking, ground glass valve is backed with a…

  • Snorkel Stopper Taper 38

    Glas-Col

    …vessel. The shape of the stopper allows manual or machine shaking and avoids solution leakage. For manual shaking, the stopper is held in place by hand. On Glas-Col shakers, glassware holders automatically restrain the stopper. The non sticking, ground glass valve is backed with a…

  • Snorkel Stopper Taper 27

    Glas-Col

    …vessel. The shape of the stopper allows manual or machine shaking and avoids solution leakage. For manual shaking, the stopper is held in place by hand. On Glas-Col shakers, glassware holders automatically restrain the stopper. The non sticking, ground glass valve is backed with a…

  • Flask Volumetric Class A with Stopper

    DWK Life Sciences (Kimble)

    KIMAX flask with a graduation ring blasted on the neck. Calibrated to contain. With a marking spot ground glass stopper is supplied. Mixing bulb in the neck, between the stopper and capacity ring, contains Approximately one tenth of the capacity of the body to aid in dissolving or mixing the…

  • Stopper No. 16 Cs 6

    DWK Life Sciences (Kimble)

    Replacement part for items that are ground to stopper dimensions. Yellow and blue stopper has a closed bottom. The enlarged flange is designed to protect the neck if the glass object is tipped over.

  • Class A Volumetric Flasks with Plastic Stopper

    Wilmad LabGlass

    These borosilicate glass volumetric flasks are provided with a plastic closed-bottom stopper which fits the Standard Taper ground zone. Stopper design prevents the neck from breaking if flask is tipped over. Calibrated "to contain" (TC) at 20°C.

  • Bottle Solution w / PTFE Stopper 2000ml Cs4

    DWK Life Sciences (Kimble)

    KIMAX bottles conform to ASTM E438, Type I, Class A glass. Bottle necks are ground to accept flathead color-coded PTFE stoppers. Replacement stoppers are 41941.

  • Kimax, Narrow Mouth Solution Bottle With PTFE Stopper

    DWK Life Sciences (Kimble)

    KIMAX bottles conform to ASTM E438, Type I, Class A glass. Bottle necks are ground to accept flathead color-coded PTFE stoppers. Replacement stoppers are 41941.

  • Flask Volumetric Class A TC / TD w / Stopper 100ml

    DWK Life Sciences (Kimble)

    …ring blasted on the neck. Calibrated both "to contain" and "to deliver" (top line). With a marking spot Ground glass stopper is supplied with the flask Designed from ASTM Specification E288, Class A unserialized requirements Replacement stopper is 41900R

  • Class A Volumetric Flasks with Glass Stopper, Batch Certified, QR-Coded

    United Scientific Supplies

    Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A ground glass stopper is included. Meets Class A specifications per ASTM E-288. Batch Certified. Our volumetric flasks feature QR code integration to facilitate quick…

  • Funnel, Separatory, Squibb, with 1:5 PTFE Plug, Stopper

    Ace Glass

    European style funnel with new leak-tight, locking stopper that will not fall out during shaking or transportation. Outer ground joint at top is a Rodaviss joint. Stopper can be secured in top joint via cap and O-ring for a positive, leak-tight seal; n

  • 13mm Glass Vacuum Holder Assemblies

    Advantec MFS

    …100, 500, or 1000 mL. The 13mL/100mL  features a two-part ground glass funnel for concentrating samples. The 13mL micro funnel mounts directly over the membrane. The No.5 silicone stopper mounts in a standard 125mL filter flask. Unit includes: Funnel, Sintered glass base, Clamp, Stopper

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