Lab Ptfe Stopcocks

1642A Acid Burette with stopcock, Class A Description: Acid burette is a titration that commonly be used in analytical chemistry instrument. It can only be used acidic solution. It can be used for acid-base titration tests. There are 4 sizes available: 10ml acid burette with stopcock, 25ml acid burette with stopcock, 50ml acid burette with stopcock, 100ml acid burette with stopcock. Material: Neutral glass Color: Clear Key Product Features: 1.Used for acid-base titration tests. 2.Calibrated to deliver 3.With good quality 4.High accuracy 1641A Burette, with rubber tubing connection, glass bead and glass tip, Class A Description: Burette is commonly used in analytical chemistry titration instruments ,and it can only be used alkaline solution. It can be used for acid-base titration experiments. There are 4 sizes available: 10ml burette with rubber tubing connection, 25ml burette with rubber tubing connection, 50ml burette with rubber tubing connection, 100ml burette with rubber tubing connection. Material: Neutral glass Color: Clear Key Product Features: 1.Buret for laboratory use 2.Acrylic for durability 3.Polytetrafluoroethylene (PTFE) plastic plunger stopcock for resistance to chemicals, moisture, and high temperatures 4.Suitable for high school or college students, or ages 14 to 21 5.High quality

1641B BURETTE with rubber tubing connection, glass bead and glass tip , B grade 1641A BURETTE with rubber tubing connection, glass bead and glass tip, A grade 1642B BURETTE with straight stopcock, B grade 1642A BURETTE with straight stopcock, A grade 8642A BURETTE with PTFE stopcock, A grade 8642AB BURETTE with PTFE stopcock, A grade, amber glass 1644B BURETTE with blue line on milk white back, rubber tubing connection, glass bead and glass tip, B grade 1644A BURETTE with blue line on milk white back, rubber tubing connection, glass bead and glass tip, A grade 1645B BURETTE with blue line on milk white back, straight stopcock,Schellbach,B grade 1645A BURETTE with blue line on milk white back, straight stopcock,Schellbach, A grade 1647B BURETTE , with rubber tubing connection, glass bead and glass tip,B grade 1647A BURETTE , with rubber tubing connection, glass bead and glass tip, A grade 1648B BURETTE amber glass,with straight stopcock, B grade 1648A BURETTE amber glass,with straight stopcock, A grade 1651 AUTOMATIC BURETTE Pellet with reservoir, rubber stopper and pressure bulb 1652 AUTOMATIC BURETTE Squuibb with ground - in glass stopper and pressure bulb 1653 AUTOMATIC BURETTE Squuibb with reservoir, ground - in glass stopper and pressure bulb 1654 AUTOMATIC BURETTE amber glass with ground - in glass stopper and pressure bulb 1655 AUTOMATIC BURETTE with ground - in glass reservoir and pressure bulb 1657 AUTOMATIC BURETTE blue line on milk white back with ground - in glass stopper and pressure bulb 1658 AUTOMATIC BURETTE amber glass with ground - in glass stopper and pressure bulb 1661B MICRO BURETTE with wooden base 1661A MICRO BURETTE with wooden base 1663B MICRO BURETTE with side filling tube 1663A MICRO BURETTE with side filling tube, Fisher High quality with very competitive prices, welcome for the inquiry.

1648A Burette, Amber glass, with straight stopcock, class A Description: This burette is with straight stopcock and made of amber glass. The graduation is very precise. There are 4 sizes available: 10ml burette with stopcock amber glass, 25ml burette with stopcock amber glass, 50ml burette with stopcock amber glass, 100ml burette with stopcock amber glass. Material: Neutral glass Color: Amber Key Product Features: 1.Easy to read 2.Excellent service 3.With good quality 1647A Burette, Amber glass, with rubber tubing connection, glass bead and glass tip, class A Description: This burette is with blue line on milk back, and has rubber tubing connection. Also it has glass bead and glass tip. The graduation is precise. The burette is made of amber glass. There are 4 sizes available: 10ml burette with rubber tubing connection amber glass, 25ml burette with rubber tubing connection amber glass, 50ml burette with rubber tubing connection amber glass, 100ml burette with rubber tubing connection amber glass. Material: Neutral glass Color: Amber Key Product Features: 1.Easy to read 2.With good quality 3.Excellent service

1611 Graduate, with spout, short lines Description: Graduate genus of formula (symbol Ex) gauge, which is used to measure the volume of liquid discharged from the gauges. Volume for the discharge of the liquid volume of the liquid when the number read from the scale value in the gauge. Material: Neutral Glass Color: Clear Key Product Features: 1. A graduated cylinder is a piece of laboratory equipment used to accurately measure volumes of objects 2. Provides scales in both metric and U.S. customary units 3. Calibrated to deliver 4. Features a wide base for stability and pour spout for easy liquid transfer 1611R GRADUATE with spout, with graduations, Russia type. 50ml, 100ml, 250ml, 500ml, 1000ml; High quality with very competitive prices, the quality is similar with the goods made in EU, welcome for the inquiry. Samples is free.

1621A Volumetric Flask, class A, with one graduation mark, with glass or plastic stopper, Boro 3.3 Glass or Neutral Glass Description: Volumetric flask is a necked pear-shaped flat-bottomed flask, made of colorless or brown glass, and with ground glass stopper or plastic stopper. Flask purpose is to formulate a solution or accurate precision quantitatively diluted solution. The flask and pipette often used in conjunction. It can be divided into class A and B two kinds by volume precision. Capacity tolerance of class B is twice of class A. There are 10 sizes available: 5ml volumetric flask class A, 10ml volumetric flask class A, 25ml volumetric flask class A, 50ml volumetric flask class A, 100ml volumetric flask class A, 200ml volumetric flask class A, 250ml volumetric flask class A, 500ml volumetric flask class A, 1000ml volumetric flask class A, 2000ml volumetric flask class A. Material: both Boro 3.3 Glass and Neutral Glass are available, depending on the customer's requirement. Color: Clear Key Product Features: 1.Manufactured to class A tolerances 2. High quality inert 3. Flat bottom volumetric flask has a No. 27 standard taper stopper made from hollow glass - and a long neck style 4. Heavy Duty Reusable 5. Designed for great shock resistance 1622A Volumetric Flask, Amber glass, class A, with ground-in glass stopper or plastic stopper Description: Huaou amber volumetric flask has several volume. It is made of Neutral Glass and we have more sizes. There are 10 sizes available: 5ml volumetric flask class A amber glass, 10ml volumetric flask class A amber glass, 25ml volumetric flask class A amber glass, 50ml volumetric flask class A amber glass, 100ml volumetric flask class A amber glass, 200ml volumetric flask class A amber glass, 250ml volumetric flask class A amber glass, 500ml volumetric flask class A amber glass, 1000ml volumetric flask class A amber glass, 2000ml volumetric flask class A amber glass. Material: Neutral glass Color: Amber Key Product Features: 1.amber Volumetric Flask Class A neutral glass 2.made of neutral Glass 3.Manufactured to class A tolerances 4.Heavy Duty Reusable 5.Designed for great shock resistance

1601 Measuring Cylinder, with glass round base or with glass hexagonal base or with plastic hexagonal base Description: Cylinder is a measure of the volume of liquid instruments. It is a vertically long cylindrical shape along one side mouth for easy pouring. The lower part of wide-leg to maintain stability. Cylindrical wall engraved with the volume range for the user to read the volume. Maximum measurable volume from a few milliliters to several liters. Observed readings, laboratory personnel need to pay attention to the line of sight and the lowest point of the meniscus of the liquid (or convex surface at the highest point) is flat. There are 9 sizes available : 5 ml measuring cylinder, 10 ml measuring cylinder, 25 ml measuring cylinder, 50 ml measuring cylinder, 100 ml measuring cylinder, 250 ml measuring cylinder, 500 ml measuring cylinder, 1000 ml measuring cylinder, 2000 ml measuring cylinder. Material: Boro 3.3 Glass Color: Clear Key Product Features: 1.Class A & High quality inert 3.3 borosilicate glass 2. Heavy Duty Reusable 3.High quality 4. Preferential price 1601H Measuring Cylinder, with spout, with glass hexagonal base, Boro 3.3 Glass Description: Cylinder is a measure of the volume of liquid instruments. And this cylinder is with glass hexagonal base. There are 9 sizes available: 5ml measuring cylinder with hexagonal base, 10ml measuring cylinder with hexagonal base, 25ml measuring cylinder with hexagonal base, 50ml measuring cylinder with hexagonal base, 100ml measuring cylinder with hexagonal base, 250ml measuring cylinder with hexagonal base, 500ml measuring cylinder with hexagonal base, 1000ml measuring cylinder with hexagonal base, 2000ml measuring cylinder with hexagonal base. Material: Boro 3.3 Glass Color: Clear Key Product Features: 1. Measuring cylinders, metric scale 2. Made of borosilicate glass 3. hexagonal base with spout and break-resistant collar 4. Calibrated as per tolerances shown on cylinder 1603 Measuring Cylinder, with Graduation and ground-in glass or plastic stopper with glass round base or with glass hexagonal base or with plastic hexagonal base Description: Huaou graduated measuring cylinders that are perfect for use in education, chemistry, research, and life science applications. Cylinders feature easy-pour spouts, round bases, and large easy-to-read numbered graduation markings along with colored subdivided markings. There are 7 sizes available: 10ml measuring cylinder with ground-in stopper, 25ml measuring cylinder with ground-in stopper, 50ml measuring cylinder with ground-in stopper, 100ml measuring cylinder with ground-in stopper, 250ml measuring cylinder with ground-in stopper, 500ml measuring cylinder with ground-in stopper, 1000mlmeasuring cylinder with ground-in stopper. Material: Boro 3.3 Glass Color: Clear Key Product Features: 1. With round glass base 2. With easy-to-read graduation 3. Heavy Duty Reusable 4.High Quality

1630A Measuring Pipette, class A, Graduated with zero at top Description: Measuring pipette is a precision fluid measuring instruments. Calibrated to deliver. Graduated in white from the tip of the pipette. With a color-coded band at the top for easy size identification. The pipettes are manufactured to meet Class A tolerances. There are 11 sizes available: 0.1ml measuring pipette class A, 0.2ml measuring pipette class A, 0.5ml measuring pipette class A, 1ml measuring pipette class A, 2ml measuring pipette class A , 5ml measuring pipette class A, 10ml measuring pipette class A, 15ml measuring pipette class A, 20ml measuring pipette class A, 25ml measuring pipette class A, 50ml measuring pipette class A. Material: Neutral glass Color: Clear Key Product Features: 1.Calibrated to deliver an accurate dosing every time 2.Top-rack dishwasher safe 3.Glass Class A 4.Type Mohr, To Deliver 1633A Volumetric Pipette, with one mark, Class A Description: Pipette is used to accurately gauge a certain volume of the solution. Pipette a quantity type instrument, and it is only used to measure the volume of the discharged solution. There are 10 sizes available: 1ml volumetric pipette class A, 2ml volumetric pipette class A, 3ml volumetric pipette class A, 5ml volumetric pipette class A, 10ml volumetric pipette class A, 15ml volumetric pipette class A, 20ml volumetric pipette class A, 25ml volumetric pipette class A, 50ml volumetric pipette class A, 100ml volumetric pipette class A. Material: Neutral glass Color: Clear Key Product Features: 1.Works great in Labs, Classrooms or for Home Experiments! 2.Class A Glass 3.Individually wrapped 4.Clamp not included 1456. Dropping pipette, straight tip, with latex rubber nipple Product description: There are 4 kinds of Huaou dropping pipette: 1. Just with straight tip. 2.with straight tip and one bulb. 3. Just with curved tip. 4.with curved tip and one bulb. And this one is the one just with straight tip. Clean it before using, press the rubber nipple and then release it, the liquid inside the bottle can be moved. There is 2 sizes available: 90mm straight tip dropping pipette, 160mm straight tip dropping pipette. Bullet points/advantages: 1. With rubber nipple 2. Without graduation 3. With high quality Color : Clear Material: glass Pasteur pipettes, our factory is the professional pasteur pipettes manufacturer and supplier in China, supply good quality pasteur pipettes with very competitive prices. Welcome for the inquiry. Samples is free.

1543 Separatory Funnel, Pear shape, with ground-in glass or plastic stopper and glass stopcock Description: Separatory funnel is a glass laboratory equipment, particularly used to a chemical test. It can help control experimental operation process and reduce labor intensity. Pear-shaped separatory funnel down the vertebral body is a ball, and at the upper end of the ball with a ground glass stopper bottle, and the lower end of the piston and welded two-funnel stalked. Because it is elongated inverted vertebral ball, which can be used tapered lower end, so that the liquid level hierarchical separation after extraction relatively easy to grasp. There are 6 sizes available: 60ml pear shape separatory funnel, 125ml pear shape separatory funnel, 250ml pear shape separatory funnel, 500ml pear shape separatory funnel, 1000ml pear shape separatory funnel, 2000ml pear shape separatory funnel. Material: Boro 3.3 glass Color: Clear Key Product Features: 1.Easier to separate liquid 2. Control the liquid dropping rate 3. High Quality 4. Cheap price 1545 Separatory Funnel, Cylindrical shape, with ground-in glass or plastic stopper and glass stopcock Description: Cylindrical separating funnel is a characteristic elongated vertical circle of glass cylinder,and at the upper end of the barrel has a matte finish plug, and the lower end of the two-way piston with a short handle and green beans. Because of its elongated cylindrical bottle, when compared with a pear-shaped layered separation it is also easy to control. It is commonly used in the synthesis reaction operation and multi-necked flask with a dosing apparatus used. Especially when the composition of the synthetic separating apparatus reflux with stirring, since much less of the ball area necked flask. Separating funnel is cylindrical elongated body, and the area occupied by the ball is also less. It is more applicable. There are 5 sizes available: 60ml cylindrical shape separatory funnel, 125ml cylindrical shape separatory funnel, 250ml cylindrical shape separatory funnel, 500ml cylindrical shape separatory funnel, 1000ml cylindrical shape separatory funnel. Material: Boro 3.3 glass Color: Clear 1542 Separating Funnel, Globe shape, with ground-in glass or plastic stopper and glass stopcock There are 5 sizes available: 60ml globe shape separating funnel, 125ml globe shape separating funnel, 250ml globe shape separating funnel, 500ml globe shape separating funnel, 1000ml globe shape separating funnel. Material: Boro 3.3 glass Color: Clear High quality with very lower prices, welcome for the inquiry.

1503 Funnel, long stem 60 , Boro 3.3 Glass Description: The so-called "standard funnel" is the triangle funnel 60 degree angle. So 60 degree is designed to adapt to the angle that square or round filter paper folded once expanded into 60-degree angle into the inner wall of the funnel . This filter paper can relatively affixed to funnel, so the filter progress is sage and convenient. Standard funnel shape is similar with triangle funnel, except that the angle of the funnel is correct. There are 4 sizes are available: 50mm long stem funnel, 60mm long stem funnel, 75mm long stem funnel, and 90mm long stem funnel. Material: Boro 3.3 Glass Color: Clear Key Product Features: 1.Funnel is constructed with heavy uniform walls, molded rims, and fire polished stems to give a long service life 2.Funnels have a high resistance to chemical attack, and mechanical and thermal shock 3.High quaility pyrex glass 4.Cheap price 1504 Funnel, short stem 60�°, Boro 3.3 Glass Description: The Borosilicate Glass Short Stem Funnel is used for adding liquids or fine-grained materials to flasks and other narrow-mouth containers, and is available in various diameters. Its short stem helps reduce clogging and enables a quick transfer of hot liquids to minimize recrystallization within the stem. The funnel is made of borosilicate glass for durability and heat resistance. Funnels are commonly used in laboratory experiments and other scientific applications. There are 12 sizes available: 40mm short stem funnel, 50mm short stem funnel, 60mm short stem funnel, 75mm short stem funnel, 90mm short stem funnel, 100mm short stem funnel, 120mm short stem funnel, 150mm short stem funnel, 180mm short stem funnel, 210mm short stem funnel, 240mm short stem funnel, 300mm short stem funnel. Material: Boro 3.3 glass Color: Clear Key Product Features: 1.Funnel is constructed with heavy uniform walls, molded rims, and fire polished stems to give a long service life 2.Funnels have a high resistance to chemical attack, and mechanical and thermal shock 3.High quaility pyrex glass 4.Cheap price