DURAN® Erlenmeyer Flask (Conical Flask)


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Typical uses for DURAN Erlenmeyer flasks include boiliing and swirling. They are also used as components in apparatus. Their shape makes them ideal for mixing and storing liquids.

An advantage of the conical shape is that there is little tendency for precipitates to stick to the inside surface as they slide down the wall with the rest of the contents. DURAN Erlenmeyer flasks are also used as culture flasks.

narrow neck

DURAN® Erlenmeyer Flask

narrow neck

With easy-to-read scale and large labelling field for easy marking in fired-on, highly durable, white ceramic. Due to conical form, suited to the mixing of liquids. Uniform wall thickness distribution makes these flasks ideal for heating applications.

Cat. No. Capacity
(ml)		 d(OD)
(mm)		 d1(OD)
(mm)		 h
(mm)		 Remarks Pack
Unit
212161407 25 42 22 75 Without Retrace Code 10
212161707 50 51 22 90 10
212162403 100 64 22 105 10
212162806 125 67 28 112 10
219902702 150 74 28 118 Non-DIN ISO size 10
212163202 200 79 34 131 Non-DIN ISO size 10
212163605 250 85 34 145 10
212163905 300 87 34 156 Non-DIN ISO size 10
212164404 500 105 34 180 10
212165306 800 120 42 200 10
212165409 1000 131 42 220 10
212166302 2000 166 50 280 10
212166808 3000 187 52 310 2
212167307 5000 220 52 365 1

wide neck

DURAN® Erlenmeyer Flask

wide neck

With easy-to-read scale and large labelling field for easy marking in fired-on, highly durable, white ceramic. Due to conical form, suited to the mixing of liquids. Uniform wall thickness distribution makes these flasks ideal for heating applications. The wide neck enables easy filling and cleaning.

Cat. No. Capacity
(ml)		 d(OD)
(mm)		 d1(OD)
(mm)		 h
(mm)		 Remarks Pack
Unit
212261405 25 43 31 70 Non-DIN EN ISO size 10
212261705 50 51 34 85 10
212262401 100 64 34 105 10
212263209 200 79 50 131 Non-DIN EN ISO size 10
212263603 250 85 50 140 10
212263903 300 87 50 156 Non-DIN EN ISO size 10
212264402 500 105 50 175 10
212265407 1000 131 50 220 10
212266309 2000 153 72 276 Non-DIN EN ISO size 10

super duty narrow neck

DURAN® SUPER DUTY Erlenmeyer Flask

narrow neck, with reinforced rim

The DURAN® SUPER DUTY products are characterized by a higher mechanical strength achieved by reinforcing the rim. As a result of this modification, the impact strength is improved, and the risk of accidental breakage is significantly reduced.

Application note: To avoid breakages due to thermal stress, uniform and slow heating of SUPER DUTY products is recommended.

Cat. No. Capacity
(ml)		 d(OD)
(mm)		 d1(OD)
(mm)		 h
(mm)		 Pack
Unit
212171408 25 42 22 75 10
212171708 50 51 22 90 10
212172404 100 64 22 105 10
212173606 250 85 34 145 10
212174405 500 105 34 180 10
212175401 1000 131 42 220 10
212176303 2000 166 50 280 10
212177308 5000 220 52 365 1

super duty wide neck

DURAN® SUPER DUTY Erlenmeyer Flask

wide neck, with reinforced rim

The DURAN® SUPER DUTY products are characterized by a higher mechanical strength achieved by reinforcing the rim. As a result of this modification, the impact strength is improved, and the risk of accidental breakage is significantly reduced.

Application note: To avoid breakages due to thermal stress, uniform and slow heating of SUPER DUTY products is recommended.

Cat. No. Capacity
(ml)		 d(OD)
(mm)		 d1OD)
(mm)		 h
(mm)		 Pack
Unit
212272402 100 64 34 105 10
212273604 250 85 50 140 10
212274403 500 105 50 175 10
212275408 1000 131 50 220 10

screwcap

DURAN® Erlenmeyer Flask

with DIN thread

With easy-to-read scale and large labelling field for easy marking in fired-on, highly durable, white ceramic. The flask can be closed with a PBT cap or membrane cap (permits gas exchange).

Typical applications: The flask is suitable for storage, media preparation and cultivation.

Cat. No. Capacity
(ml)		 d(OD)
(mm)		 h
(mm)		 DIN Thread
(GL)		 Pack
Unit
with PBT cap
218032451 100 64 109 25 10
218033653 250 85 149 32 10
218034452 500 105 180 32 10
218035457 1000 131 225 32 10
without screw cap
218032402 100 64 105 25 10
218033604 250 85 145 32 10
218034403 500 105 175 32 10
218035408 1000 131 220 32 10

ground joint

DURAN® Iodine Flask

Erlenmeyer shape, with standard ground joint and glass stopper

With easy-to-read scale and large labelling field for easy marking in fired-on, highly durable, white ceramic. The flask can be closed with a glass stopper.

Typical applications: the iodine flask is suitable for determining the iodine number, i.e. the content of unsaturated fatty acids in oils and fats.

Cat. No. Capacity
(ml)		 d(OD)
(mm)		 h
(mm)		 DIN Thread
(GL)		 Pack
Unit
241922704 100 64 120 29/32 10
241923709 250 85 160 29/32 10
241924602 500 105 195 29/32 10
241925607 1000 131 235 29/32 10

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