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
| Settings | Conical Glass Flask 250ml remove | OPTIKA B-383DK Trinocular Darkfeld Microscope remove | Volumetric Flask 250ml remove | Volumetric Flask 500ml remove | Plastic Test Tube Rack remove | Lab/Ward Coat remove | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Name | Conical Glass Flask 250ml remove | OPTIKA B-383DK Trinocular Darkfeld Microscope remove | Volumetric Flask 250ml remove | Volumetric Flask 500ml remove | Plastic Test Tube Rack remove | Lab/Ward Coat remove | ||||||||||
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| SKU | SF1033560084-158 | SF1033560098-14 | SF1033560084-187 | SF1033560084-188 | SF1033560084-174 | SF1033560084-222 | ||||||||||
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| Price | $5.70 | Ask for Price | $4.10 | $4.10 | $3.00 | $11.00 | ||||||||||
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| Description | In stock
| Shipped from Abroad B-383DK - Darkfield Microscope Laboratory upright microscope for brightfield and darkfield observations with N-PLAN objectives (and W-PLAN 100x with iris) for biology and especially darkfield fresh blood analysis and the exclusive X-LED3 illumination system. The special condenser with integrated, exclusive X-LED3 illuminator replaces any other external and expensive lighting source required for these applications and is ideal for great-looking, rich and high-quality specimen view. Delivery & Availability: Typically 21 working days – excluding furniture and heavy/bulky equipment. Please contact us for further information. | In stock
| In stock
| In stock
| In stock
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| Content |
| Observation mode:Â Brightfield, oil immersion darkfield.
Head: Trinocular (fixed 50/50), 30° inclined, 360° rotating.
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
W-PLAN 100x/1.25 (oil) with iris
All with anti-fungus treatment.
Specimen stage:Â Double layer rackless mechanical stage, 150Ă—139 mm, 75Ă—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.
Brightfield condenser:Â Abbe N.A. 1.25, with objective-coded iris diaphragm, focusable and centerable.
Darkfieldfield condenser:Â Darkfield N.A. 1.36 (oil immersion) with built-in X-LED3.
Transmitted illumination (Fixed Koehler type):Â X-LED3Â with white 3.6 W LED (6,300K) with brightness control. Multi-plug 100-240Vac/6Vdc external power supply.
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