Humboldt
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Thermometer Clamps
HumboldtWith a full 360° jaw rotation, this fully adjustable clamp is ideal for attaching to rods up to 3/4" (19mm) in diameter. The clamp has an aluminum muff with steel thumbscrew and phosphor bronze jaws. The maximum distance from the jaw to the muff is 4-3/8" (111mm) and the overall length is 5-1/2" (140mm).
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Demonstration Ball and Ring
HumboldtUsed to demonstrate the thermo-expansion of metals. In use, the brass ball will pass through the ring easily when both are at the same temperature, and won't pass through at all when heated. The ball and ring are securely mounted on a rod with a wooden handle.
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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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Smooth Pipe Stem Triangles protect glassware on hotplates and over burner flames
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Sieve Brush, Fine Mesh
Humboldt1196Y26: Wooden handle and horsehair bristle. Bristle length is 2-1/2"x 1"x 3/8" (64mm x 25mm x 10mm) and overall dimension is 10-1/2" (267mm). 1196Y28: Wooden handle and horsehair bristle. Bristle length is 1-1/2" x 1-1/4" diam. (38mm x 32mm), and the overall dimension is 5-1/4" (133mm).
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Stainless Steel Curved Nose Scoops
HumboldtLength: 2-1/2" (635mm), Width: 2-1/2" (635mm), Overall Length: 9" (228mm).
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Gas Cylinder Clamp
HumboldtDesigned to safely and conveniently secure compressed gas cylinders in an upright position. Accommodates cylinders 4-1/2" to 11" (114mm to 279mm) in diameter. The heavy-duty clamp with adjustable thumbscrews fits conveniently on any bench up to 2" (51mm) thick without marring the surface.
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Hook Collars
HumboldtHook Collars are used for attaching pulleys, balances, cords, trusses, pendulums, and other apparatus to support rods. The collars are plated for corrosion resistance and are supplied complete with thumbscrew and hook.
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Aluminum Moisture Dish
HumboldtInverted 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.
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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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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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Mortar & Pestle
HumboldtMeets U.S. Pharmacopeia XIX. Made from hardened tool steel in accordance with specifications for Powdered Glass Test. Mortar has a flat-bottomed cylindrical cavity. Mortar: 76.2mm. O.D. cavity: 50.8mm dia x 43.9mm deep; Pestle: 50.4mm dia, 108mm overall length, Shipping. wt.: 8 Lbs
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Ottawa Test Sand for Cube Molds
HumboldtSand 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
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Sieve Brush, Oval Shaped
HumboldtWooden 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).
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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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Aluminum Beakers
HumboldtLow-form aluminum laboratory beakers with pour spout. One-piece construction eliminates breakage.
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Hook Clamp
HumboldtThe Clamp Hook locks into any position to support suspended thermometers, drying tubes and potash bulbs. The unit has an easy-adjusting check nut and has a 5-1/8" (130mm) maximum distance from center of muff to the hook. The minimum distance is set at 4-1/2" (114mm).
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Portable Penetrometer
HumboldtLighter and smaller than H-1200 for field work, unit's micrometer adjusts for accurate settings as well as coarse adjustment for approximate settings. Only one additional 50g loading weight is included. Overall dim. 7" x 7" x 16" (178 x 178 x 406mm). Shipping wt. 8 lbs. (3.6kg)
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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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14ga Square, Nickel-Chrome Wire Triangles protect glassware on hotplates and over burner flames.
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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…
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Universal Plasticol coated jaws Swivel jaws of stamped steel; forged steel shank Recommended for condensers and irregular shapes
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Funnel Support
HumboldtThe 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.
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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…
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Large 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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Electrolytic Support
HumboldtThe "Hoffman Type" Electrolytic Support is used with associated glassware to demonstrate the electrolytic decomposition of water, hydrochloric acid, and other solutions. The unit consists of a cast iron base (H-21225) with insulated binding posts, support rod (H-21360), one burette clamp (H-8022),…
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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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Humboldt Test Tube Clamp
HumboldtThe Humboldt Mfg. Co test tube 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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Medium Riffle-Type Sample Splitters
HumboldtThe Humboldt Medium, Riffle-type Sample Splitter supports the following standards: ASTM B215, ASTM C136, ASTM C702, ASTM C778, ASTM D421, ASTM D424, ASTM D457, ASTM D806, AASHTO T27, AASHTO T144, AASHTO T248 Humboldt, Riffle-type sample splitter can be used to divide or halve dry materials such…
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Stainless Steel Flat Nose Scoops
Humboldt1196Y21 & 1196Y22: Bowl Vol./Water (oz/cu. in.): 6.6 (12.2), Length: 5-1/2" (139mm), Width: 3" (76mm), Depth: 1-1/2" (38mm), Overall Length: 9.3" (236mm). 1196Y23 & 1196Y24: Bowl Vol./Water (oz/cu. in.): 29 (53), Length: 8" (203), Width: 5-1/2" (139mm), Depth: 2-1/2" (63mm), Overall Length:…
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Humboldt Crucible Tongs
HumboldtThe Humboldt Mfg. Co crucible tongs are suitable for use in research facilities and chemical laboratories while conducting experiments. They are made of high quality material which ensures long lasting usage.