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Humboldt

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  • Standard Burner with Air Regulator Only & Flame Stabilizer

    Humboldt

    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…

  • Hand Centrifuge

    Humboldt

    This hand-operated centrifuge is ideal for rapid settling of suspended solids from small quantities of liquid in analytical or clinical procedures at speeds up to 2000 RPM. The hand crank and steel worm with bronze spiral gear is set at a 15 to 1 ratio. The long-sweep crank is detachable and…

  • High-Temperature Burners

    Humboldt

    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…

  • Large Deluxe Water Baths

    Humboldt

    The 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.…

  • Stainless Steel Measures

    Humboldt

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

  • Water Baths

    Humboldt

    The 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…

  • Rubber Stoppers for Erlenmeyer Flasks

    Humboldt

    Rubber stopper with brass hose fitting for use with Erlenmeyer Flasks.

  • Small Riffle-Type Sample Splitters

    Humboldt

    The Humboldt, Small, 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…

  • Beaker Tongs

    Humboldt

  • Tirril Burner for Small-Scale Burning Test

    Humboldt

    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…

  • Aluminum Moisture Dish

    Humboldt

    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.

  • Extra Long Tongs

    Humboldt

  • Mortar & Pestle

    Humboldt

    Meets 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

  • Cork Boring Machine

    Humboldt

    Designed to mount on any tabletop, the Humboldt Cork Boring Machine has an adjustable guide that permits holes to be bored in any part of a stopper. The knurled chuck accommodates the 9/16" (14mm) shank of the eight, plated-steel borers included with the unit. The steel borers range from 3/16" to…

  • Stainless Steel Tongs

    Humboldt

    Forged Stainless Steel Jaws Accurately Aligned, Tapered and Corrugated for Gripping, 3/16"(5mm) Wire Size, 9"(229mm) Length.

  • Thermometer Clamps

    Humboldt

    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…

  • Rectangular Enameled Steel Support Bases And Rods

    Humboldt

    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…

  • Standard Burner with Air Regulator Only

    Humboldt

    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…

  • Nickel Evaporating Dishes

    Humboldt

    Heavy gauge nickel dishes have straight sides, flat bottom, and pour lip.

  • Adjustable Micro-Bunsen Burner with Adjustable Gas Valve

    Humboldt

    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…

  • Glass Tubing Cutter

    Humboldt

    Made of nickel-plated zinc alloy, with hardened steel cutting wheels Spring-loaded, to remain open until used For tubes up to 38 mm diameter

  • Deluxe Water Baths

    Humboldt

    The 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…

  • Tripods, Flanged Concentric Ring Models

    Humboldt

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

  • Penetrometers

    Humboldt

    Universal Penetrometers Direct-reading instrument for precision penetration measurements of bituminous materials, cement, petrolatum and waxes, as well as food, cosmetics and pharmaceutical products. Unit has 5" diameter indicator dial, graduated in 400 divisions of 0.1mm, corresponding to 40mm…

  • Riveted Joint Tongs

    Humboldt

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

  • Clamp and Support Rods

    Humboldt

    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).

  • Medium Riffle-Type Sample Splitters

    Humboldt

    The 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…

  • Tirril Burners with Pilot Flame

    Humboldt

    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…

  • Mortar & Pestle (Plattner's)

    Humboldt

    Hardened alloy tool steel, for crushing hard, brittle materials such as ores, minerals, etc. Mortar 76 mm diameter x 25 mm high Cavity 30 mm diameter x 9.5 mm deep, fitted with precisely machined, removable sleeve for holding crushed material in cavity Pestle 76 mm long x 25 mm…

  • Nickel Crucibles

    Humboldt

    Nickel crucibles constructed from pure heavy sheet nickel. They are suitable for fusions, including those with sodium peroxide, and are highly resistant to dilute alkalies. Flat-style nickel crucible covers with depression in center for centering on crucibles. Extension on one side for handle.

  • Cork Borer Sets with Handles, Plated Brass Set

    Humboldt

    These inexpensive sets are used to bore holes in corks and rubber stoppers. They consist of plated tubing with precision ground cutting edges. The smooth plastic handles are stamped with a number designation. A punch is included with each set.

  • Motorized, Economy Sieve Shaker

    Humboldt

    Economy Sieve Shaker, which complies with ASTM C136 Standards, the Humboldt Motorized Sieve Shaker can be used with 3", 5" and 8" sieves. 1/4 HP motor handles up to (10) 8" sieves, (12) 5" sieves and (16) 3" full-height sieves; and, (18) half-height 8" sieves. 1/4 HP motor, 115V, 60Hz with 30…

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