Example: air traffic controller
Paper Chromatography of Amino Acids
1. Obtain a 24 x 15.5 cm rectangle of Whatman No. 1 filter paper. Handle this paper by the top edge only. If the paper is handled carelessly, fingerprints may appear as colored spots on the chromatogram. 2. Place the rectangle on a clean paper towel or piece of paper. 3. About 1.5 cm from the bottom of the paper, pencil a line (DO NOT USE PEN ...
Tags:
Information
Domain:
Source:
Link to this page:
Documents from same domain
Experiment: Identification of Unknowns* Introduction
classes.kvcc.eduCHM230 Identification of Unknowns Lab *Adapted from Introduction to Organic Laboratory Techniques by Pavia, Lampman, and Kriz 3rd edition and Organic Chemistry Laboratory Standard and Microscale Experiments by Rodig, Bell, and Clark.
Experiment: Solubility Product Constant (Ksp) for a Salt ...
classes.kvcc.eduCHM130 Solubility Product Experiment Experiment: Solubility Product Constant (Ksp) for a Salt of Limited Solubility Introduction: The equilibrium process in this experiment is a saturated aqueous solution of calcium iodate, Ca(IO 3) 2. The relevant solubility equation and solubility …
pH Measurements and Buffer Laboratory Introduction
classes.kvcc.eduCHM130 pH and Buffer lab pH Measurements and Buffer Laboratory Introduction: pH is a measure of the acidity of an aqueous solution.It is related to the concentration of hydrogen ion, H+.The pH scale can tell if a liquid is more acid or more base,
Spectroscopy Experiment
classes.kvcc.eduThe metal ion is extracted from the sample and prepared for analysis. Today we will be determining the absorbance spectrum for the cobalt (II) ion and determining the concentration of cobalt (II) chloride in unknown samples. Cobalt (II) chloride is often used to detect moisture. The anhydrous form of cobalt ... Determination of the ...
Determining the Formula of a Hydrate
classes.kvcc.eduA hydrate is an ionic compound that has a definite amount of water molecules attached to its crystalline structure. The ratio of water mol ecules to the anhydrous salt is constant. Many compounds exist as hydrates. Some examples are copper (II) sulfate, sodium sulfate, nickel (II) sulfate, iron (II) sulfate, cobalt (II) chloride, magnesium sulfate,
Experiment: Reactions of alkanes, alkenes, and ...
classes.kvcc.edu*Adapted from Experiments for General, Organic and Biochemistry, Experiment 24 by Bettelheim and Landesberg Experiment: Reactions of alkanes, alkenes, and cycloalkenes* Purpose : To investigate the physical properties, solubility, and density of some hydrocarbon.
General Chapters: <921> WATER DETERMINATION
classes.kvcc.eduReagent—Prepare the Karl Fischer Reagent as follows. Add 125 g of iodine to a solution containing 670 mL of methanol and 170 mL of pyridine, and cool. Place 100 mL of pyridine in a 250-mL graduated cylinder, and, keeping the pyridine cold in an ice bath, pass in dry sulfur
Recrystallization- Purifying an Unknown CHM 220
classes.kvcc.edustarting materials. When these reactions are completed is it often necessary to purify the resulting product, separating the side-products, left over reagents and or consumed reagents from the desired product. Similarly in the natural work it is rare to find a compound in a pure form. The techniques used
Determination of Caffeine in Beverages
classes.kvcc.eduRed Bull 8.3 oz. 80 Red Bull Sugarfree 8.3 oz. 80 Rockstar Energy Drink 8 oz. 80 SoBe Adrenaline Rush 8.3 oz. 79 Amp 8.4 oz. 74 Glaceau Vitamin Water Energy Citrus 20 oz. 50 SoBe Essential Energy, Berry or Orange 8 oz. 48 . Title: Determination of Caffeine in Beverages Author: TTC Library Created Date: 1/31/2012 11:39:46 AM ...
Related documents
Whatman™ Price List - Whatman Filter Papers, Whatman ...
www.jayscientific.comGeneral Properties of Whatman Filter Papers cytiva.com. cytiva.com Filter Papers WhatmanTM 1. Cat No. Description HSN Code GST % INR Price 1001-6508 Grade 1 Circles 10 mm 500/PK 48232000 18% 5490 1001-0155 Grade 1 Circles 15 mm 500/PK 48232000 18% 5000
SAMPLE COLLECTION, HANDLING, AND PRESERVATION
ccal.oregonstate.eduWhatman GF/C filter papers showed that ammonia appeared to be adsorbed in the first 50 ml filtered through the GF/C filters while no adsorption was observed for the membrane filters (Riemann and Shierup 1978). In both cases, it is advisable to remove leachable materials from all filter papers (Eaton et al. 1969) by either soaking them in distilled
SUGAR.02- REDUCING SUGARS (Schoorl Method)
corn.orgWhatman No. 1 filter paper, collect filtrate in a clean and dry flask. For corn syrup, dextrins and maltodextrin: Weigh 10.0 g of sample, transfer to a 200-mL Kohlrausch flask, dilute to volume with water, shake for 30 minutes and gravity filter through Whatman No. 1 filter
Standard Operating Procedure for - Fisher Sci
beta-static.fishersci.comWhatman 934-AH (catalog number: 1827 047) or equivalent 10.2 Filtration apparatus . a. Filter pump b. A 1-L or 4-L receiving flask c. Filter funnel manifold, 3 positions d. Magnetic filter funnels 300 mL e. Vacuum tubing, ¼” inside diameter ... Wet the …
PM/ IS 513(Pt.1)/1 October 2018 PRODUCT MANUAL FOR …
www.bis.gov.inlitre, (Whatman) filter paper No. 040,Suction Filtration Facility, Filter paper pulp pad,Standard Reference Material (NML) with certificate Potassium Permanganate (KMnO4), Sodium Nitrite (Na2NO3), Ammonium Molybdate [(NH4)2 Mo2O7], Ammonium Phosphate [(NH4)3 PO4], Potassium Nitrate (K2NO3), Phenolphthalein Solution, Rectified
The Gravimetric Determination of Nickel
chemlab.truman.eduWhatman No. 40 filter paper; medium porosity Unknown Ni ore sample Nitric Acid (concentrated) Hydrochloric Acid (concentrated) 20% Tartaric Acid solution (prepared by student) 1:1 Ammonium Hydroxide solution (prepared by student) 1% alcoholic …
Quality Control of Compounded Radiopharmaceuticals
pharmacyce.unm.eduChoices for paper chromatography media include Whatman 3MM or 31ET paper and Gelman Solvent Saturation Pads. Paper media consists of cellulose fibers pressed together. As the mobile phase migrates over the fibers and through the pores, the paper simply behaves as a filter by separating the components of the mixture (radiopharmaceutical).