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Purchasing standards

Started by BoringPerson | Last post by pcm81 February 06, 2020, 10:18:06 PM

2 Replies
271 Views
Last post February 06, 2020, 10:18:06 PM
by pcm81
Determining optimal flow rate in gas chromatography

Started by confusedstud | Last post by confusedstud February 09, 2020, 02:47:46 AM

2 Replies
251 Views
Last post February 09, 2020, 02:47:46 AM
by confusedstud
Need help with gas sample preparation prob

Started by annaa99 | Last post by annaa99 February 09, 2020, 07:26:50 PM

2 Replies
219 Views
Last post February 09, 2020, 07:26:50 PM
by annaa99
Need help for Cyanide Determination_Colorimetric

Started by vietanhvietnam_123 | Last post by vietanhvietnam_123 February 10, 2020, 09:24:23 PM

2 Replies
218 Views
Last post February 10, 2020, 09:24:23 PM
by vietanhvietnam_123
Why is the effective carbon number for acetylene 2.6 and not 2?

Started by confusedstud | Last post by confusedstud February 11, 2020, 06:16:55 AM

0 Replies
155 Views
Last post February 11, 2020, 06:16:55 AM
by confusedstud
MOVED: How to purify Na2SO4 ?

Started by Borek | Last post by Borek February 11, 2020, 03:23:24 PM

0 Replies
174 Views
Last post February 11, 2020, 03:23:24 PM
by Borek
Shelf life and Enviroment

Started by becchino | Last post by shchavel February 13, 2020, 02:56:37 PM

7 Replies
470 Views
Last post February 13, 2020, 02:56:37 PM
by shchavel
How do I do qualitative analysis with an unknown mixture?

Started by bigdonut | Last post by bigdonut February 14, 2020, 12:39:33 PM

0 Replies
140 Views
Last post February 14, 2020, 12:39:33 PM
by bigdonut
Measuring water content in a lube oil

Started by Jamun | Last post by jeffmoonchop February 14, 2020, 02:58:46 PM

1 Replies
208 Views
Last post February 14, 2020, 02:58:46 PM
by jeffmoonchop
Help with analysis IR & NMR spectra for radical bromination experiment

Started by ilyem46 | Last post by clarkstill February 17, 2020, 06:02:13 AM

2 Replies
218 Views
Last post February 17, 2020, 06:02:13 AM
by clarkstill
MOVED: human sweat damages PTFE surface, is it possible to clean it somehow ?

Started by Borek | Last post by Borek February 18, 2020, 03:02:04 AM

0 Replies
142 Views
Last post February 18, 2020, 03:02:04 AM
by Borek
Error propagation involving natural logarithms

Started by daaniiell14 | Last post by Enthalpy February 19, 2020, 02:53:37 PM

2 Replies
227 Views
Last post February 19, 2020, 02:53:37 PM
by Enthalpy
Potassium dichromate stability in solustion

Started by Genesis | Last post by shchavel February 20, 2020, 03:49:09 AM

3 Replies
328 Views
Last post February 20, 2020, 03:49:09 AM
by shchavel
Testing purity of caffeine?

Started by Mati | Last post by MOTOBALL March 01, 2020, 08:41:15 PM

3 Replies
418 Views
Last post March 01, 2020, 08:41:15 PM
by MOTOBALL
Currency and Unit Conversions

Started by adamnsu | Last post by Borek March 06, 2020, 08:25:34 AM

3 Replies
255 Views
Last post March 06, 2020, 08:25:34 AM
by Borek
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