Humboldt, Chemicals
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Test Sand, ASTM 20-30
HumboldtSand is specially graded natural silica sand to pass a No. 20 (850µ) sieve. Specific gravity is 2.65 Packed in 50 lb. (22.7kg) bags
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Deluxe Water Baths
HumboldtThe Deluxe Water Bath supports the following standards: ASTM D6927, D5581, D4867 Water Bath with microprocessor-based temperature control for precise temperature control throughout the range. Includes magnetic circulator, ensuring constant water temperature, and, a stainless steel shelf, which…
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Burette Clamps
HumboldtTwo prong zinc-plated, stamped steel with aluminum alloy holder is adjustable by checknut to any angle Takes objects from 3/8” to 1 3/8” diameter. Fits rods up to 1/2” diameter. Length: 6 3/8”.
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Dovetail Clamp
HumboldtThis 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.
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Utility Blast Burner
HumboldtThis burner features a removable nozzle with perforated tip and orifice designed to aim a large, hot, pointed flame in a modified M.I.T. pattern with great accuracy. A universal ball joint positions the flame easily for working large pieces of hard glass. Separate needle valves with leak-proof…
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Similar in design to our Screw Compressor Clamps except that the compression adjustment screw has a 1" (25mm) diameter serrated head for greater leverage. The clamps are constructed from brass and plated for corrosion resistance.
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With heavy, rectangular base of plate steel, finished in hard enamel Zinc-plated steel rod is machined at lower end with U.S. National coarse thread 508 mm rod is 9.5 mm in diameter with 3/8-16 thread; 610 and 914 mm, 13 mm in diameter with 1/2-13 thread 8835B50 support is furnished…
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Hand Tally Counter
HumboldtUsed to accurately and quickly count pendulum swings, bacteria colonies, drops from pipettes, alpha particles, etc. Tallies up to 9999 by one, quickly resets to zero. Mounted in round 2" (51mm) diameter chrome plated case with finger ring.
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Pipe Mounting-Type Burner
HumboldtDesigned 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 …
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Ring Burner
HumboldtThe Humboldt Ring Burner features an improved design that puts the guide pins on the inside circumference so that the burner remains equidistantly around the still. A Fletcher attachment regulates the gas and air. The overall shank length is 11" (279mm), ID is 4-3/4".
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Center-flanged Pipe Stem Triangles protect glassware on hotplates and over burner flames.
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Tirril Burners without Pilot Flame
HumboldtThe 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…
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Large Deluxe Water Baths
HumboldtThe Large Deluxe Water Bath supports the following standards: ASTM D6927, D5581, D4867 Water Bath with microprocessor-based temperature control same as H-1390, except volume is: 14 gallons (53L) and dimensions are 20" x 20" x 10" deep (508 x 508 x 254mm). Shipping wt. 74 lbs.…
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Humboldt Clamp & Support Rod
HumboldtDesigned to allow users to mount rod vertically or horizontally. The clamp is cast iron with a black enamel finish.
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Water Baths
HumboldtThe Water Bath supports the following standards: ASTM D6927, D5581, D4867 Water Bath with microprocessor-based temperature control for precise temperature control throughout the range. Similar to the H-1390 Waterbath, but does not include a magnetic circulator. It includes a stainless steel…
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Humboldt's Adjustable burners utilize the same high-quality die-cast bases as our Standard Burners, but provide a precision needle valve to achieve an accurate, adjustable flame. *Note: CFHs and BTU Outputs are figured on: 5 inch Water Column Pressures for Artificial and Natural Burners. 11 inch…
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Screw Compressor Clamp, Closed-Jaw C-Clamp with Side post for tubing insertion. Jaw Opening: 0-7/8" (0-23mm) Max Height, 1-1/8" (30mm) Max Width
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The Tirril Burner for Small-Scale Burning Test (ASTM D5025) supports the following standards: ASTM D5025 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. Supplied complete with…
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Humboldt S/J Joint Clamp
HumboldtThe Humboldt Mfg. Co S/J joint 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.
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Ring and ball method softening point apparatus used for single determinations, asphalts, pitches, tars and most resins. Includes hotplate, beaker, support stand, 1 ring, wire gauze with ceramic center, thermometer clamp, 1 shouldered ring and stem with hardened steel ball. Meets ASTM D36, E28;…
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Cast Iron Support Rings
HumboldtDistance from center of ring to center of clamp: 4-1/4" (108mm). Plated. Attaches to support rods up to 3/4" (19mm) in diameter.
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Humboldt Single Ring Tripod
HumboldtThe Humboldt Mfg. Co single ring tripod 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.
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Aspirator Filter Pumps
HumboldtHumboldt Aspirator Filter Pumps offer excellent performance for vacuum filtrations under both high and low water pressure conditions. The pumps feature a ball-type, positive-action valve in the suction tube which prevents water backflow if the pressure is reduced.
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Clamp and Support Rods
HumboldtDesigned 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).
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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…
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These safe, simple and strong tubing clamps can be used on thin or heavy-wall tubing. Made of plated steel, the clamps incorporate a large aluminum knurled adjusting nut.
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Smooth Pipe Stem Triangles protect glassware on hotplates and over burner flames
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Rod "Muff" Clamps
HumboldtThese Rod Clamps are otherwise known as the "muff" portion only and can be used to create custom clamps to satisfy a wide range clamping applications.
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Flame Shield
HumboldtUsed to protect flame from drafts. The unit features a set of spring clips designed to fit 7/16" to 5/8" (11mm to 16mm) burner tubes. The cone is spot-welded and is 2" (51mm) in diameter at the bottom.
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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,…
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Beaker Handle Kit
HumboldtAdjustable Band Clamp Kit for making a great carrying handle on beakers of all sizes.
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Table Clamp
HumboldtThe Table Clamp is designed to support meter sticks and other round or square rods, either vertically or horizontally up to 1" (25mm) thick. The Vee's are milled at right angles and the clamp can be mounted on table edges up to 1-3/4" (45mm) thick. Each jaw can be adjusted separately. Heavy cast…