Conical Glass Flask 250ml
$5.70
In stock
- 250ml graduated glass erlenmeyer flask
- Made from borosilicate with low thermal expansion rate,high temperature tolerance, high strength and hardness
- High chemical properties,base resistance and acid resistance
- Narrow mouth design with 29/40 ground joints
- Large marked metric scale,easy to read
- Fit for lab chemistry experiment
Delivery & Availability:
Typically 5-7 working days – excluding furniture and heavy/bulky equipment. Please contact us for further information.
Description
- 250ml graduated glass erlenmeyer flask
- Made from borosilicate with low thermal expansion rate,high temperature tolerance, high strength and hardness
- High chemical properties,base resistance and acid resistance
- Narrow mouth design with 29/40 ground joints
- Large marked metric scale,easy to read
- Fit for lab chemistry experiment
Quick Comparison
| Conical Glass Flask 250ml remove | Conical Glass Flask 500ml remove | Conical Glass Flask 1000ml remove | Lab/Ward Coat remove | Measuring Beaker 500ml remove | OPTIKA B-382PL-ALC Binocular Brightfeld Microscope remove | |||||||||||||||||||||||
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| Name | Conical Glass Flask 250ml remove | Conical Glass Flask 500ml remove | Conical Glass Flask 1000ml remove | Lab/Ward Coat remove | Measuring Beaker 500ml remove | OPTIKA B-382PL-ALC Binocular Brightfeld Microscope remove | ||||||||||||||||||||||
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| SKU | SF1033560084-158 | SF1033560084-159 | SF1033560084-157 | SF1033560084-222 | SF1033560084-154 | SF1033560098-13 | ||||||||||||||||||||||
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| Price | $5.70 | $6.00 | $6.70 | $11.00 | $4.95 |
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| Description | In stock
| In stock
| In stock
| In stock
| In stock
| Shipped from Abroad The OPTIKA B-380 is an educational and laboratory microscope for routine applications. Dye-cast frame, with high stability and ergonomy, for transmitted light observation. Delivery & Availability: Typically 21 working days – excluding furniture and heavy/bulky equipment. Please contact us for further information. | ||||||||||||||||||||||
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| Observation mode:Â Brightfield.
Head: Binocular, 30° inclined, 360° rotating (when ALC cable is unplugged).
Interpupillary distance:Â Adjustable between 48 and 75 mm.
Dioptric adjustment:Â On the left eyepiece tube.
Eyepieces:Â WF10x/20 mm, high eye-point and secured by screw.
Nosepiece:Â Quintuple revolving nosepiece, rotation on ball bearings.
Objectives:
N-PLAN 4x/0.10
N-PLAN 10x/0.25
N-PLAN 40x/0.65
N-PLAN 100x/1.25 (Oil/Water)
All with anti-fungus treatment.
Specimen stage: Double layer rackless mechanical stage, 150×139 mm, 75×33 mm X-Y range.
Focusing:Â Coaxial coarse (adjustable tension) and fine focusing mechanism with limit stop to prevent the contact between objective and specimen. Condenser: Abbe N.A. 1.25, with objective-coded iris diaphragm, focusable and centerable.
Illumination (Fixed Koehler type):Â X-LED3 with white 3.6 W LED (6,300K) and brightness control. ALC system. Multi-plug 100-240Vac/6Vdc external power supply.
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