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Model 210 210/Timer Manual - J-Kem Scientific

Model 210 210/Timer Manual - J-Kem Scientific

2.3 Tuning for Heating Mantles: A Special Case . . . . . . . . . . . . . . . . 9 ... 1-10 ml 10-100 ml 50-500ml 300ml-2L 2 L Output Power Level Heat Off A power is equivalent to ... expanded, kemnetzip.exe creates a new folder on your C drive titled JKEM which contains the KEM-Net Installation Project and copies of user's manuals and USB ...

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50ml PPL Lined Hydrothermal Synthesis Autoclave Reactor

50ml PPL Lined Hydrothermal Synthesis Autoclave Reactor

3.Tempe heating and cooling speed: ≤ 5℃/ min. 4.Break down the refractory material quickly. ... PPL lined hydrothermal synthesis reactor 's capacity contains: 10ml, 25ml, 30ml, 50ml, 100ml, 150ml, 200ml, 250ml, 300ml, 400ml, 500ml. PPL lined hydrothermal synthesis autoclave reactor as a kind of closed container to dissolve the refractory ...

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Organic Syntheses Procedure

Organic Syntheses Procedure

A 3-l. Pyrex flask (Note 1) is fitted with an efficient mechanical stirrer, a dropping funnel, a thermometer, and an upright tube (Note 2) to act as an air condenser and to carry the trimethylene oxide vapors through a spiral condenser.In the flask are placed 1344 g. (24 moles) of potassium hydroxide and 120 ml. of water. The contents are heated to about 140 with stirring …

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Kjeldahl Method (Practical) - Biologyteach

Kjeldahl Method (Practical) - Biologyteach

Add 3 mL concentrated H2SO4 to DI water in the sound bottom flask in the heating mantle to trap any NH3 present. Also, add Teflon Boiling Chips to ensure smooth boiling. The precision of the method depends upon complete conversion of organic N into NH4- N, the digestion temperature and time, solid: acid ratio and the type of catalyst used.

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International Journal of PharmTech Research

International Journal of PharmTech Research

distillation was carried out by providing heat using a heating mantle, rate of heating 60W/m2and at total reflux. A Perkin’s triangle was used to provide vacuum supply to the system. Peppermint oil contains mainly menthyl acetate, menthol and menthone. A batch of 225g was fed into the retort. The fractions were collected at different

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Clinical An of the Pico-Tag system for the amino-acid

Clinical An of the Pico-Tag system for the amino-acid

heating mantle. After cooling, the contents ofeach flask are quantitatively transferred to a 200-ml volumetric flask and madeup to the mark. After thorough mixing, the solutions are filtered throughGF/Agradeglass fibre filter paper. Sep-pak clean-upprocedure Waters Associates recommenda clean-up procedure for hydrolysates in order to remove ...

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Chemical Analysis of Ginger Root

Chemical Analysis of Ginger Root

IOSR Journal of Applied Chemistry (IOSRJAC) ISSN: 2278-5736 Volume 1, Issue 1 (May-June 2012), PP 47-49 www.iosrjournals.org www.iosrjournals.org 47 | Page

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Module 3: Heating Under Reflux (Fischer Esterification)

Module 3: Heating Under Reflux (Fischer Esterification)

Part I: Heating Under Reflux (See Figure 1) In a 50 mL round bottom flask (rbf), dissolve 150 mg of 4-amino-3-nitrobenzoic acid in 10 mL of methanol. Add a magnetic stirring rod and 1-2 boiling chips. Connect the heating mantle to the monkey bars or support stand and sit the rbf into the heating mantle

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Laboratory Equipments and Test for BioDiesel Raw Materials

Laboratory Equipments and Test for BioDiesel Raw Materials

Reagent: Dissolve 1 gram of KOH in 1 liter of distilled or de-ionized water (0.1% KOH solution). Basic titration: In a smaller beaker, dissolve 1 ml of dewatered oil in 10 ml of pure isopropyl alcohol.Warm the beaker gently by standing it in hot water, stir until all the oil dissolves in the alcohol and the mixture turns clear.

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Extracting Limonene From Backyard Citrus Fruit : 4 Steps

Extracting Limonene From Backyard Citrus Fruit : 4 Steps

Step 3: Distill Citrus Peels. This step is as easy as it sounds. Just turn on your heating mantle, and wait for the water to start boiling. As it boils it will start to create yellow-pale bubbles in the flask. This is the oil that is being separated from the lime peels and evaporated with the water. Eventually, you will be able to see a clear ...

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Temperature controller Water heating Electrothermal

Temperature controller Water heating Electrothermal

the use of Electrothermal heating mantles for heating inflammable liquids. The Electrothermal mantle consists of an insulated coil of resistance wire sewn in spiral form to a knitted glass fabric hemisphere which fits the flask to be heated. A thermocouple for measuring the temperature of the mat is sewn to the mantle.

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Model 270 Manual - J-Kem Scientific

Model 270 Manual - J-Kem Scientific

This manual contains parameters specific to temperature controller Serial #_____. When calling with a technical question, please have the controller’s serial number available. ... use with heating mantles fitted to round bottomed flasks running “typical” organic reactions (i.e., non- ... 1-10 ml 10-100 ml 50-500ml 300ml-2L 2 L Output ...

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Procedure Flashcards - Quizlet

Procedure Flashcards - Quizlet

TRUE- A paper towel should not be sued to transfer product out of a weigh boat. TRUE-The balances in the laboratory can be zeroed out with a weigh boat on the balance. TRUE- Plastic weigh boats can help prevent spillage when weighing liquids into a beaker. FALSE- Liquids and solvents can be measured directly into plastic weigh boats.

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