analytical

  1. L

    Analytical chemistry

    Hi, I was wondering if someone could help me How do you calculate the mass needed to make 1ppm zinc from 10%zinc neodeconate in xylene The 1ppm zinc will be needed to make a standard in a total volume of 20mls. Please Can you explain calculations.thanks, Laura
  2. T

    Determine Ti in Ilmenite sample using Inductively Coupled Plasma Mass Spectrometry

    How to determine Ti in Ilmenite sample using Inductively Coupled Plasma Mass Spectrometry?
  3. C

    Analytical pH help

    I have a really bad analytical teacher in college. She posted a quiz up that we haven't covered any of the material. I find analytical chem challenging I need resources or walkthroughs on these questions. Question 1:Sodium acetate is a weak base. Find the pH of 0.078 M sodium acetate solution...
  4. A

    FTIR for fabric

    Hi all, I am not a chemist but I have great interest in learning new analytic techniques and am a curious soul. I want to find out if it is possible to remove all formulation from a wet cloth so I get a dried fabric that I can perform FTIR on to find out the blend. I know that the formulation...
  5. E

    analytical chemistry critical evaluation

    I am struggling with critically evaluating analytical techniques. I have done 2 poster presentations 2 techniques and my tutor failed both. explain or send link to where I can find an example. :confused:
  6. D

    GC with FID

    Hello everyone! I'm new here and I really need some technical/mechanical help on a project I'm working on here at Texas A&M. I decided for my senior project to build a GC with an FID. After deciding this I realized the difficulty in finding a good publication or paper as a reference on how to...
  7. P

    XRD ANALYSIS help

    I've just ran XRD analysis of Fe (fine powder), FeCl3.6H20. I am using Xpert Highscore software. I am unsure what some of the collumns means in the pattern list - Score? Displ.[°2Th]? Scale Factor? Just an understanding of what they mean would be, I need to prove that they are the compounds...
  8. H

    Stuck on Analytical Chemistry Problem

    Hi all, I'm stuck. Here's the question. Calculate the electrode potential of a platinum electrode immersed in a solution that is, .075 M in Fe2(SO4)3 and .06 M in FeSO4? It seems to me this is a cell where Fe2+ gets oxidized to Fe3+ and Sulfate gets reduced to H2SO3. Thus, anode...
  9. N

    Analytical chemistry - bromine water

    Hi! I live in Norway so we don't have the high school system. I'm 18 and am soon finishing my second year in "college". Anyway, we got a question in class that we have to solve, and can somebody please help me solve it? In some experiments an equal amount of bromine water was added to two test...
  10. C

    Which analytical technique????????

    Hi there, I am working on cardon dioxide reduction and need to identify and quantify the products, I don't know exactly what will be in the reduced solution. But, most probably the solution will contain tiny amounts of : methanol, formic acid,methane and formaldehyde in aqueous phase, I also...