. . . Is about obtaining information
Analytical chemistry is the science of obtaining,
processing, and communicating information about
the composition and structure of matter. In other
words, it is the art and science of determining
what matter is and how much of it exists.
. . . Has application in all areas of chemistry
Analytical chemists perform qualitative and quantitative
analysis; use the science of sampling, defining,
isolating, concentrating, and preserving samples;
set error limits; validate and verify results
through calibration and standardization, perform
separations based on differential chemical properties,
create new ways to make measurements; interpret
data in proper context, and communicate results.
They use their knowledge of chemistry, instrumentation,
computers, and statistics to solve problems in
almost all areas of chemistry. For example, their
measurements are used to assure compliance with
environmental and other regulations; to assure
the safety and quality of food, pharmaceuticals,
and water; to support the legal process; to help
physicians diagnose disease; and to provide chemical
measurements essential to trade and commerce.
Analytical chemists often work in service-related
jobs, and are employed in industry, academia,
and government. They do basic laboratory research,
process and product development, design instruments
used in analytical analysis, teach, and work in
marketing and law. Analytical chemistry is a challenging
profession that makes significant contributions
to many fields of science.
. . . Is changing
Despite the demand for more chemical data, analytical
chemists have been affected by corporate restructuring
and downsizing. Part of this is due to the automation
of analytical methods using robots and instrumentation
specifically designed to prepare and analyze samples.
In addition, increasingly powerful personal computers
and workstations are enabling the development
and use of increasingly sophisticated techniques
and methods of interpreting instrumental data.
So, because the instrumentation does more, fewer
chemists are required for sample preparation,
the measurement, and data interpretation.
On the other hand, the demand for new and increasingly
sophisticated analytical techniques, new instrumentation,
automation and computerization, and regulatory
requirements have opened up new opportunities
for analytical chemists in a wide variety of areas.
For example, quality assurance specialists help
assure that analytical laboratories, and the chemists
working there, follow documented and approved
procedures; new instrumentation and laboratory
information management systems have opened up
opportunities for chemists with solid technical
and computer skills; and corporate downsizings
have provided the impetus for entrepreneurial
analytical chemists to start their own businesses.
. . . Uses a variety of
skills
Regardless of the changes in the workplace, the
minimum requirements for chemists seeking careers
as analytical chemists are a solid background
in chemistry, a propensity for detail, good computer
skills, and good laboratory and problem solving
skills. Basic skills, however, are often not enough.
Employers tend to recruit analytical chemists
with experience operating different and increasingly
sophisticated instruments that are used for routine
measurements. In addition, they often seek analytical
chemists with experience in specific types of
analysis-for example, the analysis of samples
unique to pharmaceuticals, food, environmental
samples, polymers, and minerals. Though high-volume
routine instrumental analyses using well-defined
procedures are automated, knowledge of the organic,
inorganic, and physical chemistry of the sample
and the measurement is valuable, particularly
when troubleshooting. "It's [often] not anything
sophisticated or complex; it's just a matter of
understanding basic chemistry," explains
Pat Mirando, a senior analytical development chemist
at Wyeth Ayerst Lederle. "It's very important
because a lot of work is done on trivial things
that can be quickly and easily explained by anyone
with a good [chemistry] background."
Good oral and written communications skills are
essential, particularly when oral presentations,
reports, and memos are required to defend a measurement
and its interpretation. In addition, familiarity
with the various roles analytical chemists play
in different industries and exposure to business
and management practices are valuable assets that
will allow growth into positions of management,
manufacturing, sales and marketing.
Copyright 1997 American Chemical Society
Pat Mirando, Forensic
Pharmaceutical Analysis
As a senior analytical development chemist in
the analytical development laboratory at Wyeth
Ayerst Lederle, Pat Mirando, is responsible for
investigating problems with suspected complaint
samples. In addition, he helps troubleshoot manufacturing
problems involving the presence of suspected foreign
matter found in raw materials and finished products.
For the majority of problems, Mirando uses a
microscope with video and photographic recording
attachments, a Fourier transform infrared spectrophotometer,
and spot tests. "You can do a lot with these
tests. You can demonstrate visually to people
who don't understand the chemistry, what the composition
of the sample is. In fact, it's crucial that you
understand the chemistry of the sample; if you
don't, you can miss the solution to the problem
by using inappropriate methods of analysis,"
says Mirando. "How well I do the job is also
personally rewarding [to me]. This is a highly
visible position; my results provide information
that can prevent costly problems from getting
out of hand."
Lisa Fay, Product marketing
specialist
"I know how I can help my customers with
my product because I've been in the lab and know
what their applications and problems are,"
says Lisa Fay, an analytical chemist, now product
specialist who handles the marketing communications
efforts for Scientific Software, Inc. "I
think customers give me a lot more credibility
because I used to do what they do."
Fay's technical and business expertise are a
result of working for many years as a bench chemist
in agricultural and pharmaceutical analytical
laboratories and as an applications chemist and
marketing specialist with major instrumentation
vendors. "This job is a lot like my earlier
jobs with the small pharmaceutical companies.
We're a small company growing very fast. I'm doing
a little bit of everything and am being exposed
to many different things," says Fay. "Though
I'm considered a product specialist, I do all
of the marketing communications: brochures, demos,
sales binders, advertisements, trade shows, and
market research."
Fay noted that while pursuing her chemistry degree,
she thought she had no need for business courses.
Now, she knows better. Exposure to the financial
aspects of running a business in general is important.
"I ended up returning to school to gain some
business experience," explains Fay. "Education
in something like accounting is important. If
you understand credits and debits, you have a
better understanding of the financial impact of
your efforts."
Cynthia Kradjel, Entrepreneur/Analytical
chemist
Downsizing has provided opportunities to start
businesses. "I'm trying to take advantage
of the change in the way people do business,"
explains Cynthia Kradjel, principal of Integrated
Technical Solutions, Inc. Her consulting firm
provides analytical and calibration services for
users and technical marketing, and product management
services for vendors of analytical instrumentation.
"Companies are downsizing and as a result,
they are losing a lot of in-house expertise. If
they don't want to rehire the people with that
expertise, they'll outsource it. That's where
I come in; I provide that expertise by matching
the appropriate person with the job."
Kradjel has a master's degree in chemistry and
over 12 years experience as a marketing manager
with an analytical instrumentation vendor. She
provides her services to companies that have reduced
their product management staffs. She says, "To
be a successful consultant, experience in sales
and marketing is a must. Knowing how a business
operates and how to be a link between business
and science is also important."
Terry L. Ramus, Entrepreneur/Analytical
chemist/Systems Integrator
"Downsizing has enabled my business to grow,"
says Terry L. Ramus, a principal of Diablo Analytical,
Inc. "It has reduced the amount of [instrumental
analysis] applications expertise in some of these
companies. Our company has taken on the analytical
development process that was traditionally performed
in user's or vendor's laboratories. This allows
the user to focus on their products, the vendor
to focus on the equipment, and us to focus on
the development of analytical technology."
"Since we are involved in transferring analytical
technology (instrumentation-based chemical analyses)
from the laboratory to the production area, we
are taking the instrument to the problem rather
than bringing the problem to the instrument."
If he were hiring, Ramus says his ideal job applicant
would possess at least five years of industry
experience with demonstrable skills, problem solving
capabilities, excellent communication and listening
skills, and the ability to work well with customers.
Susan Dudek, Chemical
technician
Flexibility and the ability to adapt to change
were important traits that enabled Susan Dudek
to succeed at Monsanto. She has enjoyed working
for 20 years as a chemical technician.
One key to Dudek's success was on-the-job training.
"I made time to learn new things by attending
courses or spending time with someone who was
an expert in what I needed to learn," explains
Dudek. "During my first 10 years, there was
a lot of learning and developing; I changed jobs
and supervisors several times and gained experience
by working with different techniques and for different
people."
"At one point, there wasn't much work in
my group, so arrangements were made to train me
to perform specific assays in the genetic toxicology
group. I found it really interesting and rewarding
to help another group. Also, because my experience
was successful, it opened doors for other people
in the laboratory to gain crosstraining experience."
Dudek noted that the professional status of chemical
technicians has improved over the years. In addition
to recognizing the professional status of chemical
technicians through the newly-formed full-fledged
division of the American Chemical Society (Chemical
Technicians division), Dudek says, "Chemical
technicians have been given more responsibility
and ownership of research projects than in the
past. This is allowing us to expand technically
and professionally as never before."
Kilian Dill and Karen Miller,
Bioanalytical-related chemistry
The expanding analytical needs of the biopharmaceutical
industry and the increasing utility of instrumentation
and techniques based on the integration of electronics
and immunoassay-related techniques are creating
a demand for analytical chemists with backgrounds
in biochemistry and related areas.
Kilian Dill's training and research experience
studying biochemical problems from a physical
chemistry standpoint prepared him well for his
research at Molecular Devices. "The research
I do involves developing and enhancing immunoassays
for the detection of very small quantities of
analytes," says senior research scientist,
Dill. "We are studying the detection of 2
picograms (2 trillionth of a gram) of DNA, as
well as such molecules as cyclic AMP, or pesticides
like atrazine. So, it's a whole range of ideas
in using immunoassays [with the company's silicon
chip-based technology] for environmental or biological
testing."
The booming biotechnology industry has also created
a need for measurements designed to provide quality
and other information about proteins and other
biomolecules. Though those with training exclusively
in biochemistry and the analyses unique to the
discipline perform many analytical functions in
the biotechnology industry, analytical chemists
who have backgrounds or training in protein chemistry
can find satisfying employment in this area. "It's
helpful to have a biochemical background from
either course work, research projects, or internships,"
says Karen Miller, research scientist in the analytical
research and development group at Amgen, Inc.
"As an analytical chemist, you become familiar
with different kinds of instrumentation, but it's
important to understand the chemistry of biomolecules,
too."
Miller also points out that though it is not
possible for an analytical chemist to be adept
at all methods of analysis, it is important to
know the capabilities of as many methods as possible
so as to choose the best one to address a problem.
Omowunmi A. Sadik, Environmental
analysis
Environmental analysis traditionally involves
analyzing air, water, soil, and other samples
using expensive instrumentation in climate-controlled
laboratories. This is a costly and time consuming
process, especially when analyzing larger numbers
of samples for the most minute quantities of toxic
pollutants while maintaining strict accountability
and controls to meet regulatory requirements.
Thus, the importance of Omowunmi Sadik's research
and development efforts at the Environmental Protection
Agency's National Exposure Research Laboratory
in Las Vegas.
Sadik is developing immunochemical sensors to
study and assess the release of pollutants into
the environment and to determine the extent of
human exposure. These sensors contain antibodies
immobilized in electrically conducting polymers,
resulting in devices that detect and accurately
determine the quantity of specific pollutants.
In addition, these rapid-responding and low-cost
sensors can be built into portable and highly
automated instruments that can be used at hazardous
waste sites.
"To develop chemical sensors, one needs
to consider the principles underlying the operation
of the new device, a background in analytical
chemistry, an understanding of the fundamental
principles of the sensor, knowledge of chemometrics
and data processing, [in my case] the integration
of electrochemistry and immunoassay-related techniques,
and for environmental analysis, an understanding
of quality control and quality assurance concepts
and practices," says Sadik.
Bradley Tenge, Chemometrics/Fish products and
food quality
Brad Tenge enjoys working for the Food and Drug
Administration's Seafood Products Research Center
because it gives him the opportunity to pursue
studies in applied chemometrics, particularly
pattern recognition. Chemometrics involves the
use of mathematical and statistical methods to
evaluate and draw conclusions from large amounts
of chemical data.
Though Tenge has an undergraduate background
in synthetic organic chemistry, a serious sports
injury before graduate school prevented him from
working in the laboratory. As a result, he changed
his graduate focus from a less laboratory-oriented
to a more computer-oriented discipline, namely
chemometrics. Among the projects Tenge is working
on is the identification of different strains
of bacteria and the identification of different
species of fish using pattern recognition techniques.
"The FDA was interested in hiring a person
in this research group who had computer-based
experience for doing exactly what I'm doing, [that
is] species identification and, at some point,
evaluation of food-product quality," says
Tenge. Tenge also notes that chemists working
in government could find interesting research
questions to pursue because of the specialized
problems that they are asked to address working
at a regulatory agency. He says, "You may
get to do some things that you wouldn't get to
do if you were in an industrial position developing
a product."
Tenge also says, "The exciting thing is
assembling our research data as part of an interdisciplinary
team and placing it on the Internet. We're involved
in putting together the Regulatory Fish Encyclopedia
and making it available on the World Wide Web
(URL = http://vm.cfsan.fda.gov/~frf/rfe0.html)."
WORK DESCRIPTION
Analytical chemists are generally involved with
making measurements using sophisticated state-of-the-art
computer controlled instrumentation in government
laboratories and laboratories in all areas of
the chemical, pharmaceutical, biotechnology, and
food industries. They may also be involved in
developing these techniques in these laboratories
as well as the laboratories of instrumentation
vendors. Analytical chemists are also suited for
positions as quality assurance specialists to
assure that procedures and protocols are followed.
WORKING CONDITIONS
Workplaces for analytical chemists are as varied
as their job responsibilities and the sophistication
of the laboratories they work in. The fact that
a lab may not be equipped with the state-of-the-art
instrumentation does not mean its chemical measurements
are any less sophisticated. It may just mean that
the measurements and techniques are cost-effective
and sufficient for their intended purpose. Depending
on the industry and job responsibilities, analytical
chemists may also work in manufacturing areas,
or as applications or sales and marketing chemists
for vendors of instrumentation and apparatuses.
PLACES OF EMPLOYMENT
Analytical chemists are employed in every part
of the chemical, pharmaceutical and biopharmaceutical,
food, and waste management industries, as well
as in government and private consulting labs,
and with vendors of chemical instrumentation.
PERSONAL CHARACTERISTICS
Good laboratory and mechanical skills and the
patience to perform sometimes tedious procedures
is necessary for precise and accurate measurements.
Good communications skills and the ability to
learn about and keep up with new techniques and
instrumentation and technology are essential for
troubleshooting and problem solving.
EDUCATION AND TRAINING
A solid background in chemistry and good laboratory,
computer, and communication skills are important
for handling a wide variety of chemical measurements.
Since analytical chemistry is a service discipline,
combining the skills of a chemical analyst along
with knowledge of the unique problems of other
chemical disciplines such as organic, polymer,
inorganic, environmental chemistries, etc., is
a valuable asset. Course work in advanced instrumental
methods as well as the short courses offered (at
a substantial discount for students and unemployed
chemists) by the American Chemical Society enhance
the chemist's versatility. In addition, customer
service, business, and management skills are more
important today than ever before.
JOB OUTLOOK
Even as companies reduce their analytical laboratory
staffs, opportunities still remain for analytical
chemists with good troubleshooting, problem solving,
and communication skills. In addition, those with
experience and training in using a wide variety
of instruments for a wide variety of analyses
are always in demand. In fact, the trend towards
hiring employees for temporary short-term assignments
may benefit chemists, too. Temporary employment
agencies specializing in the placement of chemists
can provide steady work for chemists with expertise
in particular areas as well as enabling those
with little experience to gain experience. Some
chemists will also find success building opportunities
of their own.
SALARY RANGE
The average starting salary for those with a bachelor's
degree is $26,000; $34,250 for a master's degree;
and $51,000-per-year for a doctorate. For bachelor's
level analytical chemists with 10-14 years experience,
the salary range is $39,000 to $52,000; for master's
level analytical chemists, the salary range is
$42,000 to $54,000; and for Ph.D. level analytical
chemists, the salary range is $55,000 to $66,000.
WHAT YOU CAN DO NOW
Because of the scope of the measurements analytical
chemists are asked to perform, opportunities are
available in a wide variety of laboratories. A
solid background in chemistry is essential as
are courses in qualitative (what it is), quantitative
(how much), and instrumental analyses. Paying
or nonpaying internships and co-op work experience
are also good ways to gain practical work experience
and to explore opportunities in the field.
American Chemical Society, Education Division,
1155 Sixteenth Street, NW, Washington, DC 20036;
(202) 452-2113. Production of career material
was funded by the Alfred P. Sloan Foundation.
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