Suppliers
suppliers, etc....old school ugly
Disclaimer: These links are not listed in any particular order, and we are not endorsing any of the companies listed. While most of the links are to the main site, some of them link to a particular page of interest. In some cases, we've added notes to help us remember what's what. We can not insure that the sites listed are malware free--use at your own risk. There are probably broken links and others that are now being used by different groups.
Science and Chemistry Online Tools:
IsoGeoChem Wiki & Isogeochem (Archives) & Clumpy too
Periodic Tables
Concentrated Reagent Concentrations (e.g. 35% Ammonia = 18.1 M)
Cooling Bath Temperatures (e.g. Methanol/Liquid Nitrogon = -98 C)
Online Slide Rule (not actually useful)
Online Stapler (less useful than the sliderule)
CRC Handbook of Chemistry and Physics
Open WetWare (biology wiki)
Khan Academy (online short courses, video)
Web and Typography Tools
Microsoft Office Tips: Menu Style (pre-2007) & Ribbon Style (post-2007)
Elemental Analysis Supplies:
Elemental Microanalysis (UK, NJ warehouse) (TC/EA repair/heating elements, isotope stds)
for US see also: EA consumables
OEA Labs (UK, glassy C tubes, filaments)
for US see also: ElementalMS
IVA Analysentechnik e.K (Germany, TC/EA, GCC, GC-TC-isotope stds)
Labco (UK, Exetainers, GasBench)
Hekatech (Germany, EA, TC-O--flow through glassy C only)
CE Elantech (Carlo-Erba/Thermo Flash EA's)
UIC Inc (also TIC/TOC/sulfites)
OI Analytical (TOC--connected to IRMS)
Alpha Resources (carbon and sulfur in steel)
Elementar Americas (EAs, Isoprime. Pyro Cubes)
HTW (glassy C manufacturer--specs required)
Septa (see also Chromatography below), PCTFE (Kel-F):
Glass and O-Rings
Glass and O-Rings
Kimble-Chase (old Kontes, now part of DWK = Duran + Wheaton + Kimble)
ChemGlass (also via VWR, carries Kontes style valves)
SP Industries (includes Wilmad and Virtis)
Heraeus Quarzglas basic products (worldwide, low C)
Allorings.com (o-rings, Marco Rubber)
GM Associates, Inc. (quartz tubing for making heated gases: isotopologue CO2)
Wheaton Science (now part of DWK = Duran + Wheaton + Kimble)
Wilmad-Labglass (Reliance division in Chicago for glass blowing/repairs)
Vacuum Supply and Repair
Duniway Vacuum Corp (used, refurbished).
Capitol Vacuum (used, repair, turbo)
A & J Vacuum Services (used, repair, turbo)
A and N Corporation (connectors)
Pfeiffer Vacuum (roughing, turbo, repairs)
PTB Sales (oil diffusion rebuilds)
Varian pumps (includes diffusion--now part of Agilent) see also vactek
Kurt J. Lesker corp. and their vacuum short course
ABBOTT Rubber CO Inc., rubber tubing/vacuum hoses