DrägerTubes® are glass vials filled with a chemical reagent that reacts to a specific chemical or family of chemicals. A calibrated 100mL sample of air is drawn through the tube with the Dräger accuro® bellows pump. If the targeted chemical(s) is present the reagent in the…

Schlenk style reaction tube for vacuum and No-Air applications. Available in many capacities, joint sizes and side arm configurations including a glass stopcock, 0-3 inlet valve or a 0-4 Hi-Vac valve.

Permanent split capacitor, steel housed blower used to pull air through our Air Sampling manifolds. Blower produces 50 cfm @ 0.0 meters of water static pressure which assures a minimum pressure drop across each port in the manifold train. Free air rpm is 3030. Available in both 115 & 230v…

Carbon Adsorbers and Filters Change Indicators for Ammonia, Ammonia & Hydrogen Sulfide, Hydrazine and Hydrogen Sulfide. The breakthrough (saturation) indicators are colorimetric indicators that indicate the saturation and exhaustion of carbon adsorbers and filters. The indicators are…

With completely adjustable 7mm inner tube. Tube has a pulled tip and is secured by a #7 Ace- Thred. Volume approximately 40mL. Tapered bottom of vessel allows for use with small volumes. Nylon bushing supplied with FETFE O-Ring. Available modified with #7 Ace-Threds on inlet/outlet for use with…

Used for sampling air volumes at low jet velocity. Bottle joint is 24/40. Stopper uses #7 Ace-Safe removable hose connections for easy connect/disconnect. Impinger nozzle calibrated to deliver 0.09 to 0.11 CFM at 30.5cm (12") H2O vacuum. Bubbler nozzle has sintered glass filter, porosity A…

Double tube vacuum manifold with 35/20 ball at one end and two 24/40 outer standard taper joints at the other end. Available in either 3 or 4 port configuration with 4mm double oblique stopcocks. Can be ordered with 14/20, 24/40 inner joints or #15 o-ring joints on each port. Distance between ports…

All-glass check valve with ground seat and precision ground solid ball. Suitable with mercury in the vertical position, more sensitive to other fluids in the horizontal position. Connections are 8mm O.D.

Single tube vacuum manifold with #15 o-ring joint ends. Available with 3 or 4 high vacuum stopcock ports. Order with inner joint port ends (14/20 or 24/40) or #15 o-ring joints. The distance between ports is 95mm, ideal for flasks up to 250mL. Please see our various o-ring joint adapters such as…

Carbon Adsorbers and Filters Change Indicators for Acids, Ammonia, Ammonia & Hydrogen Sulfide, Aromatic Diisocyanates, Basic Vapors, Halogens, Hydrazine, Formaldehyde, Hydrogen Sulfide and Mercury. The breakthrough (saturation) indicators are colorimetric indicators that indicate the…

Sweep elbow, available with one end threaded, the other end reduced for use with 7506 bushing or both ends threaded for use with either 7506 bushing or 5841 coupling.

Graduated Schlenk storage tube with 14/20 or 24/25 outer top joints, 14/35 or 24/40 inner joint side arms, stopcock inlet or hose barbed inlet valve. Reaction accessories include 7759 series filter tubes, 7807 series finger condenser, 9543 series stoppers and 13657-33 stirring magnet..

An all-glass check valve with ground seat for liquid seal. Available in style A for vertical use, and style B for right angle connection. Connections are 8mm O.D.

Thomas No. 1165A11 14/20 vacuum adapter, 30mm stem below the joint. Thomas No. 1165A12 14/20 vacuum adapter, 175mm stem below the joint. Thomas No. 1165A13 19/22 vacuum adapter, 30mm stem below the joint.

Glass Manifold with #15 Ace-Thred at either end To allow switching 5853 vacuum connection to left or right side. Supplied with three or five, 4mm straight bore PTFE stopcock sampling ports. (Additional ports can be ordered.) Overall length of glass manifold is 230mm. Complete item consists of 8763…

Double tube vacuum manifold with 4 x #15 o-ring joint ends. Available in 3 or 4 port configuration with Easy Action 0-10MM stopcocks. The ports can be ordered with either 14/20, 24/40 inner joints or #15 o-ring joints. Distance between ports is 100MM which will allow for flasks up to 250mL. Please…

Flexible Non contaminating Septum closure Use for gas or liquid sample containment Heat-sealed seams for leak-proof operation Reusable bags made of 2 mil PVDF fluoropolymer film, Chemware® Gas Bags offer an economical alternative for analysis of non-corrosive gases. Durable, heat-sealed seams…

Carbon adsorbers and Filters Change Indicators for Ammonia, Ammonia & Hydrogen Sulfide, Hydrazine and Hydrogen Sulfide. The breakthrough (saturation) indicators are colorimetric indicators that indicate the saturation and exhaustion of carbon adsorbers and filters. The indicators are…

A rapid, efficient and foolproof Purge Valve for 100% replacement of air in reaction vessels with any desired gas (N2, H2, Ar, Cl2, etc.). No mercury used, no reducing valve needed on gas source, no high vacuum source necessary. No need to watch manometers, hand control gas flow, or install warning…

Collection bottle, usually connected to the bottom arm of the 7495 tee with reduced ends, to collect heavy particulates before they enter the manifold train.

The HPLC Solvents Breakthrough Indicator is qualitative (yes/no) colorimetric indicator of the end-of-service life of low-flow filters. It is designed to provide real-time indication of the saturation and breakthrough of hplc solvents. HPLC solvents include Acetone, Acetonitrile, Chloroform,…

Real-time filter breakthrough indicators. You don't have to change your filter in 3 months, 6 months or 9 months, change your filter only when exhausted and saturated using real-time breakthrough indicators. Get the most use of your filters and protect yourself from exposure to toxic chemicals.…

A high velocity impinger (Ref. AGI-4) which passes 12.3 to 12.6L/min. (corrected to engineering standard gas conditions) when the pressure drop across the orifice is 41cm Hg or greater. Stopper fits 24/25 125ml bottle and features a 11mm OD center tube, 8mm OD side arm with bulge, 0.05in capillary…

Aromatic Diisocyanates, TDI & MDI (Polyurethane Chemicals), Hydrazine (MIL-P-87930, H-70), Hydrogen Sulfide and Mercury. Chemteq Area Monitors are direct-read colorimetric indicators that indicate the presence of trace toxic chemicals in air. They are reliable and cost effect means for…

Schlenk style reaction tube for vacuum and No-Air applications. Available in many capacities, joint sizes and side arm configurations including a glass stopcock, 0-3 inlet valve or a 0-4 Hi-Vac valve.

Vacuum adapter with 2mm bore stopcock on side arm.

Vacuum/gas manifold with a Firestone Rapid Purge Valve at one end and 0-5mm High Vacuum, Easy Action PTFE Stopcock ports with 3/8" 0.D. Swagelok tubing connections. Each connection has an O-Ring groove (O-Rings supplied) for use with #11 Ace-Thred. Valve eliminates the need for a second tube.…

A high velocity impinger for the determination of dust concentration in air or other gases. Total volume is approximately 500mL. Bottle joint is 45/50. Inlet/outlet are 12.5mm O.D. Modified versions available with spherical joints both vertical for connecting in series. Available with or without…

Increased sensitivity and versatility over other models, mercury requirement is reduced to 20-30cc. A control point within 1mm Hg can be fine-tuned by adjusting the height of the pump-out tubulation. The Cartesian driver float drops away from pump-out orifice on an increas- ing system pressure and…

Straight tube type air sampling cane with polyethylene hood and stainless steel brackets. Codes -35 & -37 feature a #7 Ace-Thred port for introducing calibration gases.

Automatic, adjustable pressure release valve for safer operation of pilot plant or other assemblies where the pressure is of great concern. The tension on the stainless steel spring determines the amount of pressure needed to force the lower piece open. With the spring supplied, the range is 15-50…

Bubbler with either fritted tip or plain orifice stopper. Bottle has 24/40 joint and 10 cm tube below bulge. Stopper has 12/5 outer joint on inlet arm and 12/5 inner on outlet arm. Fritted tip is porosity C (25-50m). Orifice tip is 1.5mm capillary with end tapered. Approximate capacity, with…