Finding Property Data

(1)

Finding Property Data

SLA 2005, Toronto, ON

Presenters:

Linda Shackle

Arizona State University

[email protected]

A. Ben Wagner

University at Buffalo

[email protected]

(2)

I need to find the

“

thingamajig

”

for

“

2,3

-

dimethyl chicken wire

”

Finding Property Data

Research Before You Research

Know Your Property

Know Your Substance

Know Your Resources

(3)

Successful Property Searching

Begins With Background Work

Limits in Search Options and Limits in Search Options and

Indexing

Limits in CoverageLimits in Coverage

Many Paths to SuccessMany Paths to Success

Linear vs. nonLinear vs. non--linear approachlinear approach

Know Your Substance

What’s It

Called

?

What’s Its

Category

?

What’s Its

Physical State

?

(4)

Know Your Substance

What’s It Called? (1)

Synonyms

Registry Numbers

Molecular Formula

Know Your Substance

What’s It Called? (2)

Synonyms

–

–Trade namesTrade names –

–Common or generic namesCommon or generic names –

–Scientific namesScientific names

Registry Numbers

(5)

Know Your Substance

What’s It Called? (3)

SynonymsSynonyms

Registry NumbersRegistry Numbers

54910

54910--8989--3 3 83799

83799--2424--0 0

Molecular FormulaMolecular Formula

Know Your Substance

What’s It Called? (4a)

SynonymsSynonyms

Registry NumberRegistry Number

Molecular FormulaMolecular Formula

–

–Hill order Hill order –

–Alphabetical orderAlphabetical order –

–Common inorganicCommon inorganic –

(6)

Know Your Substance

What’s It Called? (4b)

Hill OrderHill Order

C

C₇₇HH₆₆BrCl CBrCl C₃₂₃₂HH₃₉₃₉NONO₄₄

Alphabetical OrderAlphabetical Order

BrC

BrC₇₇ClHClH₆₆

Common InorganicCommon Inorganic

NaCl

Line FormulaLine Formula

CH

CH₃₃COCHCOCH₃₃ = C= C₃₃HH₆₆OO

Know Your Substance

Category

Chemical

Natural Product or

Biomolecule

Material

(7)

Know Your Substance

Physical State

Solid

Liquid

Gas

Know Your Substance

Utility

Adhesive

Building material

Coating

Drug

Food Additive

(8)

Where Do I Find Substance

Information?

Ask the customer

Free Web Resources

Bibliographic I&A Services

Handbooks & Data Compilations

Subject Encyclopedias

Treatises

Starting with the Property (1)

Find a definition you can understand.Find a definition you can understand.

Find synonymsFind synonyms

–

–Fewer variants than substance Fewer variants than substance names

names

–

–SymbolSymbol

–

–Units (critically important)Units (critically important)

–

–Some properties Some properties unitlessunitless (ratios)(ratios)

–

–Property info embedded within Property info embedded within resources

(9)

Starting with the Property 2

Figure out the categoryFigure out the category

–

–ElectricalElectrical ---- MechanicalMechanical

–

–OpticalOptical ---- ThermalThermal

Single data point or table/curveSingle data point or table/curve

–

–TemperatureTemperature ---- PressurePressure

Is there another property that Is there another property that will allow calculation of desired

will allow calculation of desired

property?

(10)

Finding Basic Property Info

Ask the patron.Ask the patron.

Google it (Definition: …, Define: …)Google it (Definition: …, Define: …)

Consult scientific dictionariesConsult scientific dictionaries

–

–General & Subject SpecificGeneral & Subject Specific

Definitions, Symbols, Units

Macmillan Dictionary of Measurement Macmillan Dictionary of Measurement

(1994)

EncyclopaediaEncyclopaedia of Scientific Units, of Scientific Units,

Weights, and Measures (Springer,

2003)

CRC Handbook of Chemistry & CRC Handbook of Chemistry &

Physics, Section 2

KnovelKnovel ((www.knovel.comwww.knovel.com) ) ––

especially introductions to tables

(11)

Know Your Resources

The WebThe Web

Data CompilationsData Compilations

Bibliographic A&I ServicesBibliographic A&I Services

Full TextFull Text

Know Your Resources

The Web (1)

ProPro

–

–Free and easy to useFree and easy to use –

–many and different types of resourcesmany and different types of resources –

–searches within full textsearches within full text

ConCon

–

–must know and use synonymsmust know and use synonyms –

–not all publishers are includednot all publishers are included –

–can’t search within databases /Fcan’t search within databases /F--T tablesT tables

–

–is the data reliableis the data reliable –

(12)

Know Your Resources

The Web (2)

Should be used for:

–

–obtaining a definition of the propertyobtaining a definition of the property –

–accessing a known database or accessing a known database or compilation

compilation

–

–quick means of obtaining one or two quick means of obtaining one or two pieces of data from within journal

pieces of data from within journal

articles

–

–accessing free indexes to property dataaccessing free indexes to property data

Know Your Resources

Data Compilations (1)

ProPro

–

–Brings together a lot of data in one Brings together a lot of data in one place

place

–

–There are a lot of themThere are a lot of them

ConCon

–

–May not have an indexMay not have an index –

–May have a funky arrangementMay have a funky arrangement –

(13)

Know Your Resources

Data Compilations (2)

Should be used for:Should be used for:

–

– Finding one property for many compounds Finding one property for many compounds –

– Finding many properties for one compoundFinding many properties for one compound

Don’t spend a lot of time bouncing from Don’t spend a lot of time bouncing from

one compilation to another; instead use:

–

– KnovelKnovel to cover many resources with 1 searchto cover many resources with 1 search –

– Free web property indexes to key in on specific Free web property indexes to key in on specific compilations

compilations –

– The “big boys”: BeilsteinThe “big boys”: Beilstein, , GmelinGmelin, L, L--B, CAB, CA

Know Your Resources

Bibliographic I&A Services (1)

ProPro

–

–Covers a large scope of primary Covers a large scope of primary material in one search

material in one search

–

–Controlled vocabulary Controlled vocabulary maymay eliminate eliminate need to know synonyms

need to know synonyms

ConCon

–

–Although data is in the primary Although data is in the primary

materials, the service may choose not

to index

(14)

Know Your Resources

Bibliographic I&A Services (2)

Should be used for:

–

–Searching the primary literature Searching the primary literature when data compilations fail

when data compilations fail

–

–CompendexCompendex (Engineering Index), (Engineering Index), INSPEC, Chemical Abstracts,

INSPEC, Chemical Abstracts,

Metals Abstracts, etc.

Know Your Resources

Full Text (1)

ProPro

–

– Can get right to the specific information, even Can get right to the specific information, even if “deep” into the article

if “deep” into the article –

– KnovelKnovel and Google Scholar pull many and Google Scholar pull many resources together with one search resources together with one search

ConCon

–

– Must know and use synonymsMust know and use synonyms –

– What you need may not be full text searchableWhat you need may not be full text searchable –

(15)

Know Your Resources

Full Text (2)

Should be used for:

Searching the primary literatureSearching the primary literature

–

–KnovelKnovel -- texts, handbooks, data texts, handbooks, data compilations

compilations

–

–Google Scholar Google Scholar -- journal articlesjournal articles –

–Publisher sites Publisher sites -- journal articles and/or journal articles and/or books

books

KnovelKnovel can help with learning more can help with learning more

about the property or substance

Where to Look (1a)

Common substance and

common property

Via your background search or Via your background search or

standard source, you may already

found the answer.

MSDS/Tech Data Sheet/Product MSDS/Tech Data Sheet/Product

Literature

–

–Manufacturers often provide a Manufacturers often provide a number of carefully reviewed

number of carefully reviewed

properties.

(16)

Where to Look (1b)

Common substance & common

property

Big Free Five Big Free Five

–

–ChemexperChemexper Chemical DirectoryChemical Directory

–

–ChemFinder.comChemFinder.com (Cambridge Soft)(Cambridge Soft)

–

–MatWeb.comMatWeb.com (Automation (Automation Creations)

Creations)

–

–NIST Chemistry NIST Chemistry WebBookWebBook

–

–Physical Properties Database Physical Properties Database (Syracuse Research Corp.)

(Syracuse Research Corp.)

Where to Look (2)

Common substance

Common substance--uncommon uncommon property

property OROR Uncommon Uncommon substance

substance--common propertycommon property

Specialized Data CompilationsSpecialized Data Compilations

KnovelKnovel ((www.knovel.comwww.knovel.com))

Search your catalog, the web, free Search your catalog, the web, free

property indexes

(17)

(18)

Where to Look (3)

Catalog Searching

Specific property and/or substanceSpecific property and/or substance

Category of property and/or substanceCategory of property and/or substance

Limit to reference works or by title Limit to reference works or by title

words

Identify call number and browse Identify call number and browse

shelves

–

–Silicon & compounds Silicon & compounds –– QD181.S6QD181.S6 –

–Silicon (Geology) Silicon (Geology) –– QE516.S6QE516.S6 –

(19)

Where to Look (4)

Uncommon substance &

uncommon property

Best bet Best bet –– pawn request off on an pawn request off on an

unsuspecting colleague!

High powered subscription data High powered subscription data

service

–

–SciFinderSciFinder ----Beilstein/GmelinBeilstein/Gmelin

–

–DIPPRDIPPR ----LandoltLandolt--BornsteinBornstein

Extensive primary literature searchExtensive primary literature search

Summary & Questions

Questions?Questions?

Got a resource you want to share?Got a resource you want to share?

Resource Guide for This PresentationResource Guide for This Presentation

http://www.public.asu.edu/~iaclas/sla05/

resource