Similar to the H-8950, this clamp has a phosphor-bronze spring clip attached to an aluminum rod-holding block for thermometers and 2 "v" notches designed to hold the H-1602 ring and stem assembly in an ASTM Softening Point Apparatus, but can be used to suspend other items, such as pitch cubes. The…

Measures feature convenient handle and graduations in milliliters and ounces on inside of cup.

Economy Sieve Shaker, which complies with ASTM C136 Standards, the Humboldt Motorized Sieve Shaker can be used with 8", 10" and 12" sieves. 1/4 HP motor handles up to (11) 8" sieves, (7) 10" sieves and (7) 12" full-height sieves; and, (19) half-height 8" sieves, (13) half-height 12" sieves. 1/4 HP…

Attaches to laboratory table tops up to 1-3/4" (45mm) thick. Cuts glass tubing up to 1-1/2" (38mm) diameter. Aluminum alloy casting with gray hammerloid finish. Hardened steel cutting wheel.

Humboldt Bunsen Burners are high-quality, American-made burners with nickel-plated, die-cast zinc bases. Burners feature aluminum mixing tubes and serrated gas inlet connections. *Note: CFHs and BTU Outputs are figured on: 5 inch Water Column Pressures for Artificial and Natural Burners. 11 inch…

The Humboldt Mfg. Co extra long tong is suitable for use in research facilities and chemical laboratories while conducting experiments. It is made of high quality material which ensures long lasting usage.

Grease-testing penetrometers; ASTM D217, D937. ASA Std. Z11.3.

The Humboldt Mfg. Co round jaw extension clamp is suitable for use in research facilities and chemical laboratories while conducting experiments. It is made of high quality material which ensures durability and long lasting usage.

The Tirril Burner w/o Pilot Flame (ASTM D3713) supports the following standards: ASTM D3713 Humboldt's Flame Test Burners are designed to be used as ignition sources for small-scale burning tests, such as the UL flame test and other similar test standards. Burner produces a clear flame of any…

The Humboldt Funnel Support is designed to accept up to four funnels. The unit consists of a hard wood support with four slotted holes and a metal clamp with thumbscrew for support rod mounting.

The Humboldt Mfg. Co clamp holder is a critical item to have in any chemical laboratories to enhance the performance of various experiments and analysis.

14ga Square, Nickel-Chrome Wire Triangles protect glassware on hotplates and over burner flames.

Sand is specially graded natural silica sand graded to retain 98% on a No. 100 (150µ) sieve, 75% on a No. 50 (300µ) 30% on a No. 40 (425µ) and 2% on a No. 30 (600µ). Specific gravity is 2.65 Packed in 50 lbs. (22.7kg) bags

When an extremely hot flame is required, these Meker-type burners form uniform blue cones of intese heat with no backflashes. Onepiece, nickel-plated venturi tube. Die cast, zinc alloy, nickel plated octagonal base. *Note: CFHs and BTU Outputs are figured on: 5 inch Water Column Pressures for…

Inverted slip-in cover with beaded edge for tight sealing, can be handled with crucible tongs. Inside dia at top 2-1/4" x 3/4" deep (57mm x 19mm). Drawn aluminum construction.

Adjustable Band Clamps provide a unique and efficient clamping mechanism for objects of any shape and size. The same clamp can be used to handle a gallon container or fit snugly to hold a small thermometer, reducing the need to stock numerous clamp sizes and reducing time spent looking for the…

These threaded base plates are designed to attach to a tabletop or inverted into a recessed hole for flush mounting. Models are available with either a threaded hole completely through the center or with an unthreaded thru-hole. These die-cast units are supplied without rod. Other sizes are…

Low-form nickel laboratory beakers with pour spout. One-piece construction eliminates breakage.

Tongs, Riveted Joint, steel, nickel plated, 3/16" (5mm) wire size, 9" (229mm) length.

Screw Compressor Clamps are used to control the flow in flexible tubing. The clamps have a machined adjustment screw to permit accurate regulation of the flow. All corners are rounded to prevent cutting of the tubing. The clamps feature brass construction that is plated for corrosion resistance and…

The Cork Press is a rotary compression device used for softening and tapering corks ranging in sizes from 0 to 22. The unit is cast aluminum and can be wall or bench mounted. Overall dimensions: 10-3/8" W x 5-3/8" H x 3-1/4" D (264mm x 137mm x 83mm).

Screw Compressor Clamps are used to control the flow in flexible tubing. The clamps have a machined adjustment screw to permit accurate regulation of the flow. All corners are rounded to prevent cutting of the tubing. The clamps feature brass construction that is plated for corrosion resistance and…

Designed to allow users to mount rod vertically or horizontally. The clamp is cast iron with a black enamel finish. Supplied complete with a 3/8" x 20" (10mm x 508mm) rod (H-21350) or a 1/2" x 24" (13mm x 610mm) rod (H-21360).

This bleeder valve unit provides small needle-sized to large brush flame patterns for fusing ore, working Pyrex and soft glasses, and performing other high-temperature melting applications. Extremely accurate flame direction, from three interchangeable burner tips, a telescoping mixing tube sleeve,…

This clamp can be instantly detached from vertical surfaces such as heaters. It is constructed of aluminum and incorporates a 5/16"-18 by 1-1/4" steel thumbscrew. The clamp is 1-3/16" wide by 2-15/16" (30mm x 59mm) long and measures 1-3/8" (35mm) from muff center to the dovetail.

Wire gauze squares with turned edges. Material: Nickel Steel Alloy

Powder-coated with plated steel rod

Sturdy Tripods featuring adjustable openings through the use of detachable rings.

The Tirril Burner with Pilot Flame (ASTM D3713) supports the following standards: ASTM D3713 Humboldt's Flame Test Burners are designed to be used as ignition sources for small-scale burning tests, such as the UL flame test and other similar test standards. Provides separate control of both…

Wooden handle and horsehair bristle. Bristle length is 2-3/4"x 1-1/8"x 3/4" (70mm x 29mm x 19mm), and the overall dimension is 10-1/2" (267mm).

The Humboldt, Enclosed Model, Riffle-type Sample Splitter supports the following standards: ASTM C702, ASTM D410, ASTM D3013, ASTM D3176, ASTM D3180, AASHTO T248 Humboldt, enclosed model with drawer pans, Riffle-type sample splitter can be used to divide or halve dry materials such as cement,…

Designed for pipe mounting, this burner features a flame stabilizer and a stopcock for gas control. A 1/8" NPT nipple is mounted below the stopcock for pipe mounting. Specifications: Gas type: Natural and LP Inlet OD: 1/8" NPT CFH*: 5.5 BTU Output*: 5,637.5 …