Laboratory / Lab Equipment & Accessories
Item 5303-06
Crucibles Tall Form Porcelain 50 ml
This tall, thin crucible is intended for heating and melting solids at very high temperatures over a burner in the chemistry lab and can be used to determine constant weight, among other uses.
• Withstands temperatures up to 800°C (1470°F)
• Glazed inside and outside, except for the outside bottom surface
• Comes with a lid
• Capacity: 50 ml (1.7 oz)
Item 5303-06
In Stock
Item 5303-08
Crucibles Tall Form Porcelain 100Ml
This tall, thin crucible is intended for heating and melting solids at very high temperatures over a burner in the chemistry lab and can be used to determine constant weight, among other uses.
• Withstands temperatures up to 800°C (1470°F)
• Glazed inside and outside, except for the outside bottom surface
• Comes with a lid
• Capacity: 100 ml (3.4 oz)
Item 5303-08
In Stock
Item 5306-05
Funnels Hirsch Porcelain 75Mm
This funnel with a integral, perforated plate can be used to filter substrates, wash precipitates, and redissolve with chemicals that that would destroy filter paper, such as strong acids or bases. It is an excellent addition to a chemistry or biology lab or classroom.
• Material: Porcelain
• Dimension: 75 mm (3″) Dia.
Item 5306-05
In Stock
Item 5306-06
Funnels Hirsch Porcelain 100Mm
This funnel with a integral, perforated plate can be used to filter substrates, wash precipitates, and redissolve with chemicals that that would destroy filter paper, such as strong acids or bases. It is an excellent addition to a chemistry or biology lab or classroom.
• Material: Porcelain
• Dimension: 100 mm (4″) Dia.
Item 5306-06
In Stock
Item 5307-04
Funnel Buchner Porcelain 90 mm
This Buchner funnel is made with an integral perforated plate and straight sides. The wide plate makes it ideal for filtering collecting larger amounts of solids than the narrower Hirsch funnels. It can be used to filter substrates, wash precipitates, and redissolve with chemicals that that would destroy filter paper, such as strong acids or bases. It is an excellent addition to a chemistry or biology lab or classroom.
• Porcelain
• Glazed inside and outside except for its rim
• Slightly tapered stem
• 90 mm (3.5″) Dia.
Item 5307-04
In Stock
Item 5307-08
Funnel, Buchner, Porcelain, 150 mm ID
This Buchner funnel is made with an integral perforated plate and straight sides. The wide plate makes it ideal for filtering collecting larger amounts of solids than the narrower Hirsch funnels. It can be used to filter substrates, wash precipitates, and redissolve with chemicals that that would destroy filter paper, such as strong acids or bases. It is an excellent addition to a chemistry or biology lab or classroom.
• Porcelain
• Glazed inside and outside except for its rim
• Slightly tapered stem
• 150 mm (6″) Dia.
Item 5307-08
In Stock
Item 5307-10
Funnel, Buchner, Porcelain, 250 mm
This Buchner funnel is made with an integral perforated plate and straight sides. The wide plate makes it ideal for filtering collecting larger amounts of solids than the narrower Hirsch funnels. It can be used to filter substrates, wash precipitates, and redissolve with chemicals that that would destroy filter paper, such as strong acids or bases. It is an excellent addition to a chemistry or biology lab or classroom.
• Porcelain
• Glazed inside and outside except for its rim
• Slightly tapered stem
• 250 mm (10″) Dia.
Item 5307-10
In Stock
Item 3554-03
C-Clamps 4″
Use these clamps for clamping 2 apparatuses together or securing an apparatus to a table top. They are also useful for setting up rod mounted pulleys. The clamps are useful for physics labs and classrooms.
• Cast-iron enameled frame
• Plated screw and vise type nut
• Jaw opening 100 mm (4″)
Item 3554-03
In Stock
Item 3455-01
Spring, Extension, Steel, 4″
Use these Spring Extensions to demonstrate Hooke’s Law and develop classroom discussions about physics.
• Made of 26 SWG wire
• Spring length: 100 mm (4″)
• Net extension: 140 mm (5.5″)
Item 3455-01
In Stock
Item 3458-01
Hook Collars 0.5″
Use this collar for suspending spring balances, cords, pendulums and other apparatus from support rods or cross members. It is fitted with thumbscrews.
• Hook inner Dia. 13 mm (0.5″)
Item 3458-01
In Stock
Item 2030-02
Test Tube Clamp Stoddard’s Without Finger Grips, 7″
This clamp is for use with test tubes from 6 mm (0.25″) to 31 mm (1.25″) in outer Dia. The clamp has self-closing jaws with finger grips.
• Material: Plated spring steel wire
• Approx. 180 mm (7″) L
Item 2030-02
In Stock
Item 2031-01
Wooden Test Tube Clamp
Use this clamp for tubes from 10 mm (0.4″) to 19 mm (0.75″) outer Dia. It is made with a steel spring. With thumb pressure, the jaws of the clamp will open.
• Materials: wood and steel spring
• Smooth finish
• Approx. 7″ (180 mm) L
Item 2031-01
In Stock
Item 2032-01
Test Tube Holder, Cross Pattern
Use this cross-pattern holder for handling test tubes from 12 mm (0.5″) to 40 mm (1.6″) outer Dia. The holder has a polished wooden handle for convenience.
• Materials: rolled brass and wood
• Approx. 220 mm (8.7″) L
Item 2032-01
In Stock
Item 2035-01
ABS Polymer Test Tube Rack, 6 holes/6 drying pins
This test tube rack has 6 openings of 25 mm (1″) Dia. on its top plate, with hemispherical wells and drying pins. It has an open side for clear viewing during chemistry and biology lab work.
• Material: Acrylonitrile butadiene styrene (ABS) polymer
• Dimensions: 240 mm (9.5″) L x 70 mm (2.75″) W x 90 mm (3.5″) H
Item 2035-01
In Stock
Item 2035-12
ABS Polymer Test Tube Rack, 20 holes, 3 tiers
This economical test tube rack is ideal for for laboratories and classrooms. The 20-tube rack fits test tubes up to 19 mm (0.75″) Dia. The rack features convenient hand grips and a lower plate with rounded wells with drain holes.
• Material: Acrylonitrile butadiene styrene (ABS) polymer
• Dimensions: 325 mm (12.75″) L x 125 mm (5″) W x 70 mm (2.75″) H
Item 2035-12
In Stock
Item 5303-06
Crucibles Tall Form Porcelain 50 ml
This tall, thin crucible is intended for heating and melting solids at very high temperatures over a burner in the chemistry lab and can be used to determine constant weight, among other uses.
• Withstands temperatures up to 800°C (1470°F)
• Glazed inside and outside, except for the outside bottom surface
• Comes with a lid
• Capacity: 50 ml (1.7 oz)
Item 5303-06
$1.03
In Stock
Item 5303-08
Crucibles Tall Form Porcelain 100Ml
This tall, thin crucible is intended for heating and melting solids at very high temperatures over a burner in the chemistry lab and can be used to determine constant weight, among other uses.
• Withstands temperatures up to 800°C (1470°F)
• Glazed inside and outside, except for the outside bottom surface
• Comes with a lid
• Capacity: 100 ml (3.4 oz)
Item 5303-08
$4.04
In Stock
Item 5306-05
Funnels Hirsch Porcelain 75Mm
This funnel with a integral, perforated plate can be used to filter substrates, wash precipitates, and redissolve with chemicals that that would destroy filter paper, such as strong acids or bases. It is an excellent addition to a chemistry or biology lab or classroom.
• Material: Porcelain
• Dimension: 75 mm (3″) Dia.
Item 5306-05
$3.96
In Stock
Item 5306-06
Funnels Hirsch Porcelain 100Mm
This funnel with a integral, perforated plate can be used to filter substrates, wash precipitates, and redissolve with chemicals that that would destroy filter paper, such as strong acids or bases. It is an excellent addition to a chemistry or biology lab or classroom.
• Material: Porcelain
• Dimension: 100 mm (4″) Dia.
Item 5306-06
$5.06
In Stock
Item 5307-04
Funnel Buchner Porcelain 90 mm
This Buchner funnel is made with an integral perforated plate and straight sides. The wide plate makes it ideal for filtering collecting larger amounts of solids than the narrower Hirsch funnels. It can be used to filter substrates, wash precipitates, and redissolve with chemicals that that would destroy filter paper, such as strong acids or bases. It is an excellent addition to a chemistry or biology lab or classroom.
• Porcelain
• Glazed inside and outside except for its rim
• Slightly tapered stem
• 90 mm (3.5″) Dia.
Item 5307-04
$4.76
In Stock
Item 5307-08
Funnel, Buchner, Porcelain, 150 mm ID
This Buchner funnel is made with an integral perforated plate and straight sides. The wide plate makes it ideal for filtering collecting larger amounts of solids than the narrower Hirsch funnels. It can be used to filter substrates, wash precipitates, and redissolve with chemicals that that would destroy filter paper, such as strong acids or bases. It is an excellent addition to a chemistry or biology lab or classroom.
• Porcelain
• Glazed inside and outside except for its rim
• Slightly tapered stem
• 150 mm (6″) Dia.
Item 5307-08
$25.00
In Stock
Item 5307-10
Funnel, Buchner, Porcelain, 250 mm
This Buchner funnel is made with an integral perforated plate and straight sides. The wide plate makes it ideal for filtering collecting larger amounts of solids than the narrower Hirsch funnels. It can be used to filter substrates, wash precipitates, and redissolve with chemicals that that would destroy filter paper, such as strong acids or bases. It is an excellent addition to a chemistry or biology lab or classroom.
• Porcelain
• Glazed inside and outside except for its rim
• Slightly tapered stem
• 250 mm (10″) Dia.
Item 5307-10
$75.90
In Stock
Item 3554-03
C-Clamps 4″
Use these clamps for clamping 2 apparatuses together or securing an apparatus to a table top. They are also useful for setting up rod mounted pulleys. The clamps are useful for physics labs and classrooms.
• Cast-iron enameled frame
• Plated screw and vise type nut
• Jaw opening 100 mm (4″)
Item 3554-03
$7.39
In Stock
Item 3455-01
Spring, Extension, Steel, 4″
Use these Spring Extensions to demonstrate Hooke’s Law and develop classroom discussions about physics.
• Made of 26 SWG wire
• Spring length: 100 mm (4″)
• Net extension: 140 mm (5.5″)
Item 3455-01
$0.75
In Stock
Item 3458-01
Hook Collars 0.5″
Use this collar for suspending spring balances, cords, pendulums and other apparatus from support rods or cross members. It is fitted with thumbscrews.
• Hook inner Dia. 13 mm (0.5″)
Item 3458-01
$2.63
In Stock
Test Tube Clamp Stoddard’s Without Finger Grips, 7″
This clamp is for use with test tubes from 6 mm (0.25″) to 31 mm (1.25″) in outer Dia. The clamp has self-closing jaws with finger grips.
• Material: Plated spring steel wire
• Approx. 180 mm (7″) L
Item 2030-02
$0.70
- Best Seller
In Stock
Item 2031-01
Wooden Test Tube Clamp
Use this clamp for tubes from 10 mm (0.4″) to 19 mm (0.75″) outer Dia. It is made with a steel spring. With thumb pressure, the jaws of the clamp will open.
• Materials: wood and steel spring
• Smooth finish
• Approx. 7″ (180 mm) L
Item 2031-01
$0.75
In Stock
Item 2032-01
Test Tube Holder, Cross Pattern
Use this cross-pattern holder for handling test tubes from 12 mm (0.5″) to 40 mm (1.6″) outer Dia. The holder has a polished wooden handle for convenience.
• Materials: rolled brass and wood
• Approx. 220 mm (8.7″) L
Item 2032-01
$2.66
In Stock
ABS Polymer Test Tube Rack, 6 holes/6 drying pins
This test tube rack has 6 openings of 25 mm (1″) Dia. on its top plate, with hemispherical wells and drying pins. It has an open side for clear viewing during chemistry and biology lab work.
• Material: Acrylonitrile butadiene styrene (ABS) polymer
• Dimensions: 240 mm (9.5″) L x 70 mm (2.75″) W x 90 mm (3.5″) H
Item 2035-01
$2.19
In Stock
Item 2035-12
ABS Polymer Test Tube Rack, 20 holes, 3 tiers
This economical test tube rack is ideal for for laboratories and classrooms. The 20-tube rack fits test tubes up to 19 mm (0.75″) Dia. The rack features convenient hand grips and a lower plate with rounded wells with drain holes.
• Material: Acrylonitrile butadiene styrene (ABS) polymer
• Dimensions: 325 mm (12.75″) L x 125 mm (5″) W x 70 mm (2.75″) H
Item 2035-12
$5.75
In Stock