Questions and Conclusions. 1. What criteria were used to identify the ion(s) found in your unknown? Explain your answer in at least three sentences. I...
applications of chromatography – identification of an unknown ink sample and the separation ... Calculating Rf values and interpreting the results. In order to obtain a quantitative measure of the extent of movement of a component in a paper chromato
In paper chromatography, the sample mixture is applied to a piece of filter paper, the edge of the paper is immersed in a ... a component in a paper chromatography experiment, we can calculate an "Rf value" for each separated ... All of the solutions
The FranklinCovey Meeting Advantage workshop is taught as a one-day, facilitator-led program where participants will learn how to: ... MeeAdv_Slip.pdf Author: gap
2 TABLE OF CONTENTS INTRODUCTION 3 Stanislavski- The Early Years: A Brief Chronology 4 Stanislavski’s Need for Change 5
Arenediazonium Ions in Organic Synthesis: Para Red and para-Iodonitrobenzene An arenediazonium salt will be prepared from para-nitroaniline and used in two different
Paper Chromatography Lab Chromatography is a method for analyzing complex mixtures by separating them into the chemicals from which they are made
Paper Chromatography Lab ... 4th – Have your answers checked by the teacher. Keep trying until you are able to identify all 6 pens! Pen A matches # _____
Plants contain chlorophyll, a green pigment, as well as carotenoids, pigments that range in color from red to orange to yellow. Question: Do green leaves also contain other pigments? Hypothesis: Record on the Analysis Sheet. Materials: Isopropyl alco
paper and some are more attracted to the alcohol or water. In this experiment you learn how to prepare chromatography paper and solution. You will also use these skills to separate your own samples of inks into their basic colors. In this activity we
Types of Reactions CHEM 10 Review Worksheet The questions on this worksheet are both Chem 10 and Chem 11 level problems. They are provided to assist your review of
SEPARATION OF DYES BY PAPER CHROMATOGRAPHY LAB. Purpose: Like all chemicals, ... solution. 4. Paper chromatography—a method chemists use to separate one chemical from another using their differences in physical properties . Paper chromatography has s
Spinach Chromatography Lab ... Chromatography is a technique for separating and identifying substances in a ... Answers should be in complete
Chromatography Lab activity — Worksheet 1 Chromatography Lab Worksheet Chromatography is a way to look at complex mixtures by separating them into their
Forensics: Ink Chromatography Lab 2015 Background: Chromatography is a method for analyzing mixtures by separating them into the chemicals from which they are made
Lab Activity H5 Paper Chromatography of M&M’s OUTCOMES After completing this lab activity, ... Considering your answers above, how many dyes,
Paper Chromatography Lab Questions. Answer each of the following questions. Base your answers (conclusions) on reasonable interpretations of your data and provide justification. 1. Why is it important to keep the spots applied to the chromatography p
In general, chromatography involves two phases: • A Stationary Phase. This is typically a solid. In today's lab, it will be paper. • A Moving Phase. This is typically a liquid. In today's lab, it will be a very dilute solution of salt in water. In ge
Honors Biology: Chromatography Lab Answer Key Terms and Definitions (1 Point Each): 1. Chromatogram 2. Mobile Phase 3. Stationary Phase 4. Solute
The key to lab-tips of ... or not a student has changed his or her answers after a test has been graded and returned? Title: A Lab on Chromatography Inks
Fisher in rolls of 100 yards (300 feet). Since students will be working in groups of 3 or 4, you will need to cut 30-32 strips of chromatography paper, one for each student. 2. Obtain brands of ink that will yield good results. Pens that work well in
Plant Traveling Lab. TTU/HHMI at CISER. 2010 2 The bands derived in paper chromatography contain the pigments found in the plant. The bands can be cut apart, and
SMMC rejected the proposal to make any changes to the parking lot. Page 2 of6. 2 ...... City shall in' good faith make sta from its Plamng and
chosen for this experiment because when the eluting solution reaches that line, any inks that are mixtures should be clearly separated. When the solvent front reaches the finish line, the paper should be removed immediately from contact with the mobi
In a previous experiment you have seen how differences in the polarity of molecules can ... The point of this experiment is not to develop a wash-day solution to all ... In paper chromatography substances are applied to a piece of absorbent paper. A
Chemistry 11
Santa Monica College
Name __________________________________ Lab Partner______________________________
Date ________________________ Lab Section___________________
Lab Report for Paper Chromatography Data, Observations, Calculations and Analysis Known Ions Ion
Spot Color (Stained)
D (SingleIon)
F (SingleIon)
Rf
D (Ion Mixt.)
F (Ion Mixt.)
Rf
Ag+
Co2+
Cu2+
Fe3+
Hg2+
UNKNOWN ID CODE _____
Spot Number (from lowest Rr)
Spot Color (Stained)
Unknowns D F (Unknown) (Unknown)
Rf
Identity of Spot
1. 2. 3. 4. 5
Paper Chromatography
Page 1 of 2
Chemistry 11
Santa Monica College
Sketch of Chromatogram
Summary Unknown ID Code
Ions Identified
Questions and Conclusions 1. What criteria were used to identify the ion(s) found in your unknown? Explain your answer in at least three sentences. Include any difficulties in identifying any ions.
2. If you let the experiment run for only 30 minutes, what would be the likely result? Would any problems arise in identification of the unknown?
3. If Co2+ and Cu2+ spots were the same color, would the identification of an unknown be any more difficult? Explain your answer.
