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Suitable for use in school and institutional laboratories not requiring the accuracy of Class A models. The microfinish of the barrel provides a precision fit. The tips are drawn for accuracy to insure proper drainage rate. Each buret is supplied with a dust cover. All sizes furnished with a 2 mm bore Teflon stopcock plug. Burets have durable colored markings. Durable colored graduations are sharply defined and easy to read. Carefully ground TS stopcock gives precise control. All sizes furnished with a 2 mm bore stopcock plug. For replacement PYREX* stopcocks, use 988-27418. The capacity tolerance on these burets is established by ASTM E-287 and is calibrated in accordance with ASTM E542. Each buret is supplied with a dust cover. These polypropylene clamps allow a clear view of the graduations over the entire length of the buret. The arms are fitted with rubber grips to prevent slipping and the central boss features a conical compression piece which provides a firm grip on rods 11-14 mm diameter.
Class B accuracy
Ideal for use in educational environment
Supplied with PMP/PP stopcocks
Each buret supplied with technical data sheet
These break-resistant acrylic burets are screen printed in black to Class B accuracy. They are suitable for use in education, research or industrial laboratories, especially where breakages often occur. This series is unaffected by most dilute aqueous solutions (expect ammonia and HF) but suitable for ethanol or organic solvents. Lengths and internal dimenisions can vary as all are individually calibrated.
Narrow white polyester fibers with fan tip twisted on a long stainless steel wire. An economical buret designed to reduce replacement costs by providing replaceable components. These sturdy, durable burets have tooled tops and bottoms and white enamel graduations. The new replaceable stopcock assembly features a screw thread locking nut and collar which ensures that the stopcock cannot fall out in use. The replaceable tip (Catalog No. 988-14719) has a ground end which provides a better grip and helps prevent the tip from falling out (for use with Catalog No. 988-14731 only).
Buret features automatic zero and a Rotaflo dual stopcock. Stopcock helps eliminate titration errors. These burets are designed for precise analytical methods in microchemistry. Funnel top facilitates addition of reagents by pouring, or by suction from below, through a rubber-stoppered tube. Stopcocks turn freely, yet give positive control and are of 2 mm bore. Used when dispensing large volumes of liquid rapidly and accurately. Made from close tolerance, accurate bore tubing with uniform walls, these burets have a permanently colored scale. Tips are carefully drawn and ground to reduce chipping. Provided with a Teflon stopcock plug to reduce freezing and eliminate lubricant contamination. The smooth micro-finish of the stopcock barrel assures a precision fit and optimum leak-resistant performance. All sizes furnished with 2 mm PS stopcock bore.
The capacity tolerance on these burets is established by ASTM E287 and are calibrated in accordance with ASTM E542. Tips are carefully drawn from accurate bore tubing to insure proper drainage rates. This buret has colored markings with fine, sharp lines and large easy-to-read numbers. The stopcock barrel has a smooth micro-finish to assure leak-resistant performance. Each buret is supplied with a dust cover. All sizes are furnished with a 2 mm bore stopcock plug. For two burets. Made of strong plastic.
Precision bore burets are permanently marked with individual serial numbers and are supplied with a Certificate of Graduation Accuracy. Designed from ASTM Specification E287, Class A requirements. KIM-KAP* dust cap is included. Delivery stem of the 10 ml size is 115 mm long to meet requirements of potentiometric titration burets (ASTM D664). PTFE plug for all sizes is PS 2. Scale is in a durable white ceramic enamel.
With diagonal PTFE stopcock, KIMAX precision bore buret is permanently marked with an individual serial number. Supplied with a Certificate of Graduation Accuracy. With a diagonal bore stopcock and a funnel top. Stopcock size is PS 2. Designed from ASTM Specification E287, Class A requirements. With straight bore PTFE stopcock, KIMAX precision bore buret is permanently marked with an individual serial number. Supplied with a Certificate of Graduation Accuracy. Funnel top accepts a one-hole #3 rubber stopper. Short length of glass tubing aids in filling the buret through the tip by vacuum if desired (stopper and tubing are not supplied). Stopcock for all sizes is PS 2. Scale is durable white ceramic enamel. Designed from Federal Specification NNN-B-789, Type I, Style 1, Class A requirements. KIMAX buret with a size PS 2 PTFE plug. KIM-KAP* dust cap is included. Scale is durable black ceramic enamel. Designed from ASTM Specification E287, Class B requirements.
Crystal-clear body, polymethylpentene stopcock and tip with Teflon* TFE stopcock and plug. Volume levels of colorless liquids are easily read. Durable and individually calibrated to meet the accuracy requirements of ASTM E287. Stopcock is leakproof with self-lubricating Teflon TFE plug. Ideal for general use, schools, industrial labs and field use. Unaffected by dilute mineral acids and bases except hydrofluoric acid and ammonium hydroxide. The pH range of 1 to 14 is ideal and up to 5% wt/wt of acids or 30% bases can be used. Not designed for exposure to alcohol and organic solvents. Crystal-clear, easy-to-use, durable and safer than glass. Has an acrylic body, polymethylpentene stopcock and tip, TFE plug, three feet of Nalgene 380 clear plastic tubing and a LDPE squeeze bottle with polypropylene screw closure. Individually calibrated to meet the accuracy requirements of ASTM E287. Unaffected by dilute mineral acids and bases except hydrofluoric acid and ammonium hydroxide. The pH range of 1 to 14 is ideal and up to 5% wt/wt of acids or 30% bases can be used. Burets not designed for exposure to alcohol and organic solvents. Includes a 1000 ml LDPE bottle, four feet of clear Nalgene PVC plastic tubing and a polypropylene fill-tube and adapter. Makes any plastic or glass 25 ml or 50 ml buret self-zeroing. Eliminates hazardous, wasteful spills and the need for funneling. Can be used with almost all aqueous titrants. To switch to a different size buret, simply reverse the adapter. Extra closure without tubing hole is included for storing titrants or carrying to the field. Buret not included.
For holding burets up to 100 ml. Provided with a positive grip and release. Lightweight, but mechanically strong body with rubber-covered, plated brass jaws. Spring action ensures positive grip without obscuring graduations. One plated brass thumbscrew secures clamp to rods 13 mm in diameter. Clamp surface is baked hammertone finish. This double buret clamp features sturdy, die-cast aluminum construction. Holds two burets from micro to 100 ml. Spring-action opening clamp with flat wing-head tightening screw. Stainless steel jaws are covered with rubber tubing and have an opening range of 0 to 25 mm (1 in.). Overall clamp length is 22 cm (9 in.).
Ideal for titrating in lab or field; small, battery-operated, with telescoping tube for adjusting to different sized bottles without measuring or cutting. Easy-to-read LCD eliminates meniscus-reading errors and simplifies volume calculations. Lithium battery powers up to 60,000 titrations without recharging. Calibration adjustments for ISO 9000 and GLP compliance can be performed in seconds without any tools or retesting. Supplied with one fine-tip titrating tube, one telescoping filling tube, one valve-mounting tool, three polypropylene adapters for standard 45 mm thread bottles (33 mm, 38 mm and STJ29/42), ground-glass necks, certificate of performance and one-year warranty. Available with or without drying tube.
Polypropylene and ETFE adapters for most bottle neck sizes. This digital bottletop dispenser continuously displays the volume dispensed with a zero reset feature for multiple titrations. Features include simple user calibration and factory reset. Chemical-resistant, autoclavable pathway, visible borosilicate glass barrel which allows inspection of liquid prior to dispensing, auto-off and a dispenser nozzle protection sleeve. For ease of use, the head rotates 360. A precision valve mechanism ensures easy priming and minimum waste with no leakage back into the reservoir; it remains fully primed throughout the day. For sterile dispensing, the entire liquid pathway may be autoclaved and a sterile filter (Catalog No. 230-72526) can be added. A lifetime battery allows more than 60,000 titrations. CE-marked. Supplied with 33, 38 and 45 mm adapters. Reservoir not included.
Accuracy is 0.2%
Precision is 0.1%
Resolution of 0.01 ml
Microvalve titrating tube can be submerged into the sample, eliminating drop error (125 mm horizontal, 75 to 250 mm vertical). Short titrating tube dimensions are 165 mm horizontal and 75 mm vertical drying tube is used to protect sensitive titrants from humidity or CO2 (drying agent required). Strong, durable, plated steel construction. Jaws covered with plastic and rubber tubing. Fits support rods up to 3/4 in. in diameter. 0
Filling and overflow tube at the top of the buret that accepts 1/4 in. ID flexible tubing. Filling is through stopcock. Buret is self-zeroing style. Stopcock for all sizes is PS 2. Scale is durable black ceramic enamel. Designed from ASTM Specification E287, Class B requirements. 0 These burets have easy-to-read blue graduations against a white background. The delivery end is fitted into a plastic push button stopcock which permits drop-by-drop delivery. A small screw clamp presets drop speed for repeat titration. A polyethylene filling tube extends from the top of the buret into the bottle reservoir. Bottle, screw cap and round base are polyethylene. Graduation accuracy is Class B.