ChromClub Forum

LC & LC/MS Columns

MMillares — Sat, 17 May 2008 07:22:56 GMT

Columns for your LC and LC/MS.

Please visit this URL
http://www.chem.agilent.com/Scripts/PCol.asp?lPage=4889

Technical Overview of HPLC Columns for Reducing Solvent Use and Waste

Wilson DeCastro — Wed, 06 May 2009 08:45:30 GMT

Acetonitrile is the most versatile and commonly used solvent in HPLC, but it is currently in critically short supply. Laboratories can realize a 40-90% reduction in acetonitrile usage by changing the HPLC column while keeping the same bonded phase. Possibilities include reduction of the diameter of the column, a change to a shorter column with a smaller particles size, or a simultaneous reduction of length, diameter, and particle size. These options are easy to implement, do not require redevelopment ...

Global ACN Shortage - How to Solvent Use and Waste?

Admin — Fri, 20 Mar 2009 02:00:15 GMT

Yes, this is true. We're in the middle of a worldwide acetonitrile shortage. Acetonitrile is produced in relatively low volumes as a by-product of the production of acrylonitrile, which is used to make its polymer, polyacrylonitrile, a raw material in the manufacture of plastics. Global demand for acrylonitrile has reduced significantly due to the slow-down in consumer spending in sectors that use plastics, such as the automotive industry. Combined with global plant changes and outages, ...

2009-2010 Agilent Catalog

Ryan Manimtim — Thu, 19 Mar 2009 07:14:16 GMT

Hi,

2009-2010 Agilent Catalog is now available for download...

PDF file

thanks,

Podcasts: The "In" Thing to Learn

Admin — Wed, 04 Feb 2009 06:36:48 GMT

Here is an interesting way for us to stay in touch with Webinars and Eseminars that occur at times that don�t suit, download the podcast and listen to the event on demand on your PC or MP3 player! Below are details of the first of 12 sessions available to download. A new tip is provided at the end of each month. The first session covers ways to reduce solvent consumption, this is an important topic in the current climate and with a worldwide shortage of Acetonitrile inflating ACN prices. ...

Vapor volume Calculator (Pressure flow)

Ryan Manimtim — Fri, 18 Jul 2008 13:12:35 GMT

HI, Please click on the link and extract the file, the click exe file to install the calculator for vapor volume. this will help you determine what liner volume you need for your sample. Vapor volume calculator Please report broken link... Paramdam nmn kyo dyan... thanks

Isocratic pump maintenance video

AMoredo — Sat, 17 May 2008 06:45:42 GMT

Replacing active inlet valvehttp://www.chem.agilent.com/cag/video/1100/Isocratic_Pump/videos/G1310%20Exchanging%20the%20Active%20Inlet%20Valve%20Cartrigde.asfhttp://www.chem.agilent.com/cag/video/1100/Isocratic_Pump/videos/G1310%20Exchanging%20the%20Outlet%20Ball%20Valve.asfhttp://www.chem.agilent.com/cag/video/1100/Isocratic_Pump/videos/G1310%20Exchanging%20the%20Purge%20Valve%20Frit%20or%20the%20Purge%20Valve.asfhttp://www.chem.agilent.com/cag/video/1100/Isocratic_Pump/videos/G1310%20Removing%20the%20Pump%20Head%20Assembly.asfhttp://www.chem.agilent.com/cag/video/1100/Isocratic_Pump/videos/G1310%20Exchanging%20the%20Pump%20Seals.asfhttp://www.chem.agilent.com/cag/video/1100/Isocratic_Pump/videos/G1310%20Exchanging%20the%20Plungers.asfhttp://www.chem.agilent.com/cag/video/1100/Isocratic_Pump/videos/g1310%20Reinstalling%20the%20Pump%20Head%20Assembly.asf

Introduce yourself...

Admin — Sun, 04 May 2008 17:35:56 GMT

I'm Rizza San Gabriel, Applications Specialist of Edward Keller, and currently the Admin of our Chrom Club Forum. GC and HPLC were never easy to handle. I've been a chrom user myself for four years now, and I know how it feels to have questions that you don't know how to get the answers from. In this forum, you are given a chance to post your question or any topic that interests you, and let your fellow Chromatographers answer for you. Or you might want to share your opinion on a certain ...

ATTENTION: Method Validation and Optimization Training

Wilson DeCastro — Thu, 14 Aug 2008 08:14:42 GMT

Dear HPLC Chromatographers, This is to inform you that EKPI and ChromClub is planning to hold a half day training for HPLC Method Validation and Optimization. With this, we would like to assess your interest with the training/topic. Post a reply and will see how many chromatographers would possibly participate, so we can determine possible date and venue. Will wait for your post! Regards, Wilson [/justify]

What topics can you suggest in our seminars?

Admin — Sun, 04 May 2008 17:42:57 GMT

ChromClub provides free seminars regularly. We would like to know your ideas and suggestions on what topics you would like us to discuss in our future seminars.

Proficiency Testing - Interlaboratory

cromwell — Thu, 31 Jul 2008 08:50:41 GMT

Proficiency Testing is a good practice to really affirm our capabilities in doing analyses. Those laboratories with the same matrix/matrices will test sample(s) with the same parameters and compare the results.

Running a Variable Wavelength

ReverseEngineering — Wed, 16 Jul 2008 01:53:43 GMT

Why is it when Im running a method with varying wavelengths, like 326 on the first 5 minutes then 290 on the next, the "Online Plot" doesn't display the 290 when the first 5 minute is finished?

Did it really change its wavelength setting from 326 to 290 after 5 minutes? That the software just did't update itself?

Thanks.

Tanong po?

biokemist89 — Mon, 30 Jun 2008 08:08:59 GMT

1. Im having a problem with my analysis of FAMEs, often I got a recovery of <90 or >100 using internal standard method. The requirement is >90 but <100. What are the possible cause of having a total FAME of <90 and >100? 2. For analysis of total FAME in biodiesel (coconut based). Also I cannot get the min specification of 96.6% FAME, the method is based on EN 14103 (IS method) but we modify part of it to compensate the coconut methyl esters. The required column is used, ...

Basic HPLC Troubleshooting Presentation (Chromclub 2008)

AMoredo — Fri, 25 Jul 2008 05:29:46 GMT

http://www.mediafire.com/?xrxtvmcrmob

Download Chrom Club VWD Maintenance Presentation

MMillares — Fri, 25 Jul 2008 03:19:42 GMT

Here is the link of my presentation on VWD Maintenance. If a problem occur in downloading on the link pls dont hesistate to reply.

http://www.mediafire.com/?ybemee1ezl4

Your Favorite Websites About Chromatography

Admin — Fri, 30 May 2008 04:58:26 GMT

Share your reference and post your favorite websites about Chromatography...

tanong po ulit

biokemist89 — Tue, 01 Jul 2008 10:44:56 GMT

1. We are analyzing antioxidants from fats and oil, we are having a difficulity in separating the peak of oxalic acid and ascorbyl palmitate AP target analyte. The probrem is we to inject the standard more or less 10 to 20 timkes to obtain almost a good separation. We do SOP for system stability. What could be the probable cause of the problem? 2. Suggetion for the next seminar, we really need to undestand how to do method validation especially for HPLC and GC, because our employer wants ...

Chrom Club HPLC Maintenance Presentation

MMillares — Tue, 22 Jul 2008 15:00:14 GMT

Here is the link of the HPLC maintenance presentation. Enjoy!!!!

http://www.mediafire.com/?rmyhwcmynlf

Download LabTec-Cebu 2008 Presentations

Admin — Mon, 21 Jul 2008 07:54:58 GMT

Download pdf presentations by clicking the hyperlinks. 1. Kjeldahl vs Dumas : Focus on Protein Analysis 2. Titration Facts & Fiction 3. Weighing the Right Way 4. Preventive Maintenance Strategy

Download LabTec-Manila 2008 Presentations

Admin — Mon, 21 Jul 2008 06:29:27 GMT

Download pdf presentations by clicking the hyperlinks. Agilent Presentations 1. Pharmaceutical Applications of ICPMS 2. What Agilent ICPMS Offers the Semiconductor Industry 3. Impurity Profiling Applications ----------------------------------------- LC Tec Presentations 1. LC Tec Company Development 2. The Extended and Revised DFG S19 3. Introduction to Gel Permeation Chromatography 4. GPC Ultra �The Unique Automated GPC System 5. EVA - The Unique Evaporation ...

Shutdown method

Ryan Manimtim — Sat, 19 Jul 2008 12:34:41 GMT

Hi, We recommed to creat shutdown method and run the method before you turn the GC system off. Set your inlet temperature to 50C Set your total inlet flow, atleast 50% (when you change total inlet flow you are also changing column flow) Set oven temperature to 30C turn off all detector gas except make-up flow. set detector temperature to 50. Once you get ready status on the system. Its now safe to turn the GC off.

Jet replacement

Ryan Manimtim — Sat, 19 Jul 2008 12:24:33 GMT

Dear Chromies,

This video show how to remove your jet for your FID. It is good practice to check the cleanliness and condition of your jet. If you have hard times to ignite your detector, maybe its time for you to clean or replace you jet. Here is the video...

http://www.mediafire.com/?zunml17lii1

How to replace gold seal...

Ryan Manimtim — Sat, 19 Jul 2008 12:20:43 GMT

we need to replace our gold seal for two reason...

1. to avoid contamination.
2. to insure good split flow accurary.

here is the link on how to replace your gold seal....

http://www.mediafire.com/?mmnwmye0j0m

Proper installation of column

Ryan Manimtim — Sat, 19 Jul 2008 12:15:24 GMT

Hi, Here is the videos on how to install column on Split/splitless inlet and FID detector... Column to SSI Column to FID Please report broken link

GC M/T Presentation

Ryan Manimtim — Fri, 18 Jul 2008 13:43:07 GMT

Eto n po presentation ko...

pindot po

FID Maintenance

Ryan Manimtim — Fri, 18 Jul 2008 13:23:49 GMT

May problema po b FID nyo.

This link will help you.... http://www.mediafire.com/?ij1qsgzmuxm

calibration solution?

alreyne — Wed, 16 Jul 2008 11:22:20 GMT

we just had an evaluation last monday...we performed a series of runs(trials) of our calibration solution and we're expecting that the correlated area values are relative since we have used only one solution but unfortunately the results were not quite relative...same procedures were done for every run and no unusual occurences happened on the machines..what could be the possible reason for this occurence? sana may nakaintindi ng tanong ko kasi I am not sure if every industry use calibration ...

basics and theory of GC

alreyne — Thu, 03 Jul 2008 07:56:21 GMT

kindly provide the basics and theory of GC...I'm working for my company for three(3) months palang and It's my very first time to use the GC/MS and unfortunately I don't even have formal training for this...though my analysts have helped me out on the actual analysis pero iba kasi if may backbone ka sa analysis coming from the experts talaga...that is why I'm asking your help...i have searched the internet and I was able to have some info about this but i want to have more info so that I can ...

pressure and flow information

Ryan Manimtim — Tue, 08 Jul 2008 14:32:31 GMT

hello....

please try this....

pressure and flow

Capillary inlet (Split animation)

Ryan Manimtim — Tue, 08 Jul 2008 13:52:36 GMT

split animation

difference of advanced green septa and long life septa?

alreyne — Thu, 03 Jul 2008 07:44:06 GMT

hi everyone! may we know the difference of the 2 kinds of septa.. kasi doon sa website ng agilent technologies for consumables...they have advanced green septa and the long life septa..aside from the color, what else are its difference specifically on the function..magkaiba ba ang gamit nila or we can use either of the two? currently we are using the long life, can we try using the green septa? thanks in advance..

Thank you po... ( inlet cleaning link attached)

Ryan Manimtim — Sun, 29 Jun 2008 15:40:03 GMT

Hi...

Thank you po s pg attend ng aming seminar.. Sana po my naitulong kmi. We will post our materials this week... Any question, please post new topic...

Eto po ung link kung panu mglinis ng inlet... http://www.mediafire.com/?zxjy3bjn14n

Gandang gbi...

LabTec - Cebu 2008

Admin — Fri, 30 May 2008 04:55:03 GMT

LabTec is an annual event spearheaded by the Instrumentation Department of Edward Keller Philippines Inc. (EKPI) in cooperation with its partners � Agilent Technologies , PANalyical Spectris, Malvern, Tekmar Teleledyne , Mettler Toledo, LCTech and Gerhardt. For this year � 2008 � we�re excited to bring new technological updates in two venues: Manila and Cebu. EKPI in partnership with University of San Carlos � Chemistry Department invites you in LabTec-Cebu 2008 which focuses on the basic ...

ChromClub 2008

Admin — Sun, 04 May 2008 06:44:52 GMT

Members, watch out for ChromClub 2008 on June 26, 2008 at UP NISMED in UP Diliman Campus.

LabTec - Manila 2008

Admin — Fri, 30 May 2008 04:49:25 GMT

LabTec is an annual event spearheaded by the Instrumentation Department of Edward Keller Philippines Inc in cooperation with its partners � Agilent Technologies , PANalytical Spectris, Malvern, Tekmar Teleledyne , Mettler Toledo, LCTech and Gerhardth. For this year � 2008 � LabTec will focus on finding solutions to the present laboratory challenges faced by the various industries that we served. LabTec 2008 - "Addressing the Industry Analytical Challenges" July 1 and 2, 2008 Dusit Thani ...

Our Partners' Websites

Admin — Fri, 30 May 2008 05:05:34 GMT

Edward Keller's Global Partners [Click name to visit the website]:

Agilent Technologies

PANalytical

Mettler Toledo

Malvern

Your Company's Websites

Admin — Fri, 30 May 2008 04:59:35 GMT

You want us to know more about your company? Post your websites here...

Is your site suitable for your GC?

Ryan Manimtim — Sat, 17 May 2008 08:13:47 GMT

this will help you to identify what your GC needs.

Site Requirements

Autosampler Maintenance Video

MMillares — Sat, 17 May 2008 08:13:49 GMT

Needle Assembly http://www.chem.agilent.com/cag/video/1100/Standard,_Micro_and_Preparative_Autosamplers/videos/G1313%20Needle%20Assembly.asf Needle Seat Assembly http://www.chem.agilent.com/cag/video/1100/Standard,_Micro_and_Preparative_Autosamplers/videos/G1313%20Needle-Seat%20Assembly.asf Stator Face http://www.chem.agilent.com/cag/video/1100/Standard,_Micro_and_Preparative_Autosamplers/videos/G1313%20Stator%20Face.asf Rotor Seal http://www.chem.agilent.com/cag/video/1100/Standard,_Micro_and_Preparative_Autosamplers/videos/G1313%20Rotor%20Seal.asf

Common Supplies

AMoredo — Sat, 17 May 2008 07:32:41 GMT

http://www.chem.agilent.com/ecommerce/product/p2_cas_level3.aspx?groupid=791&catid=777&catnm=Common+Supplies&subcatid=1076&subcatnm=Detector+Lamps&sAnc=cat9&bgc=9c3018http://www.chem.agilent.com/ecommerce/product/p2_cas_level3.aspx?groupid=791&catid=777&catnm=Common+Supplies&subcatid=778&subcatnm=LC+Fittings&sAnc=cat9&bgc=9c3018http://www.chem.agilent.com/ecommerce/product/p2_cas_level3.aspx?groupid=791&catid=777&catnm=Common+Supplies&subcatid=990&subcatnm=LC+Pump+Pistons+and+Seals&sAnc=cat9&bgc=9c3018http://www.chem.agilent.com/ecommerce/product/p2_cas_level3.aspx?groupid=791&catid=777&catnm=Common+Supplies&subcatid=785&subcatnm=LC+Tubing&sAnc=cat9&bgc=9c3018http://www.chem.agilent.com/ecommerce/product/p2_cas_level3.aspx?groupid=791&catid=777&catnm=Common+Supplies&subcatid=763&subcatnm=Manual+Injector+Valves+and+Supplies&sAnc=cat9&bgc=9c3018http://www.chem.agilent.com/ecommerce/product/p2_cas_level3.aspx?groupid=791&catid=777&catnm=Common+Supplies&subcatid=986&subcatnm=Sample+Loops+for+Manual+Injector+Valves&sAnc=cat9&bgc=9c3018http://www.chem.agilent.com/ecommerce/product/p2_cas_level3.aspx?groupid=791&catid=777&catnm=Common+Supplies&subcatid=881&subcatnm=Vials+for+HP+1100+Autosampler&sAnc=cat9&bgc=9c3018

Agilent Binary SL supplies

AMoredo — Sat, 17 May 2008 07:28:17 GMT

[url=http://www.chem.agilent.com/ecommerce/product/p2_cas_level3.aspx?groupid=791&catid=764&catnm=Agilent+1100%2f1200+Pumps&subcatid=1151&subcatnm=Binary+Pump+SL+Supplies+(G1312B)&sAnc=cat5&bgc=9c3018]http://www.chem.agilent.com/ecommerce/product/p2_cas_level3.aspx?groupid=791&catid=764&catnm=Agilent+1100%2f1200+Pumps&subcatid=1151&subcatnm=Binary+Pump+SL+Supplies+(G1312B)&sAnc=cat5&bgc=9c3018[/url]

Agilent Standard pump supplies

AMoredo — Sat, 17 May 2008 07:27:24 GMT

[url=http://www.chem.agilent.com/ecommerce/product/p2_cas_level3.aspx?groupid=791&catid=764&catnm=Agilent+1100%2f1200+Pumps&subcatid=1034&subcatnm=Standard+Pump+Supplies+(G1311%2f12%2f54A)&sAnc=cat5&bgc=9c3018]http://www.chem.agilent.com/ecommerce/product/p2_cas_level3.aspx?groupid=791&catid=764&catnm=Agilent+1100%2f1200+Pumps&subcatid=1034&subcatnm=Standard+Pump+Supplies+(G1311%2f12%2f54A)&sAnc=cat5&bgc=9c3018[/url]

Agilent Flourescence detector spare parts list

AMoredo — Sat, 17 May 2008 07:26:17 GMT

http://www.chem.agilent.com/ecommerce/product/p2_cas_level3.aspx?groupid=791&catid=1037&catnm=Agilent+1100%2f1200+Detectors&subcatid=879&subcatnm=Fluorescence+Detector+Supplies&sAnc=cat3&bgc=9c3018

Agilent RI Dtector spare parts list

AMoredo — Sat, 17 May 2008 07:25:02 GMT

http://www.chem.agilent.com/ecommerce/product/p2_cas_level3.aspx?groupid=791&catid=1037&catnm=Agilent+1100%2f1200+Detectors&subcatid=886&subcatnm=Refractive+Index+Detector+Supplies&sAnc=cat3&bgc=9c3018

Agilent VWD spare parts list

AMoredo — Sat, 17 May 2008 07:24:12 GMT

http://www.chem.agilent.com/ecommerce/product/p2_cas_level3.aspx?groupid=791&catid=1037&catnm=Agilent+1100%2f1200+Detectors&subcatid=765&subcatnm=Variable+Wavelength+Detector+Supplies&sAnc=cat3&bgc=9c3018

Diode array Spare parts list

AMoredo — Sat, 17 May 2008 07:23:23 GMT

http://www.chem.agilent.com/ecommerce/product/p2_cas_level3.aspx?groupid=791&catid=1037&catnm=Agilent+1100%2f1200+Detectors&subcatid=761&subcatnm=Diode+Array+Detector+Supplies&sAnc=cat3&bgc=9c3018

Agilent Degasser parts list

AMoredo — Sat, 17 May 2008 07:18:26 GMT

[url=http://www.chem.agilent.com/ecommerce/product/p2_cas_level3.aspx?groupid=791&catid=1046&catnm=Agilent+1100%2f1200+Degassers&subcatid=1104&subcatnm=Tubing+and+Fittings+for+Degassers&sAnc=cat2&bgc=9c3018]

Standard autosampler Parts list

AMoredo — Sat, 17 May 2008 07:07:46 GMT

[url=http://www.chem.agilent.com/ecommerce/product/p2_cas_level3.aspx?groupid=791&catid=759&catnm=Agilent+1100%2f1200+Autosamplers&subcatid=1030&subcatnm=Standard+Autosampler+Supplies+(G1313%2f27A)+and+(G1329A)&sAnc=cat1&bgc=9c3018]Standard autosampler[/url]

Tamang Paraan ng pagkakabit ng Column s SSI

Ryan Manimtim — Sat, 17 May 2008 07:06:29 GMT

Column installation is very basic but very important to do it right... below link dude

Column installation

HPLC Basic Theory Program

MMillares — Sat, 17 May 2008 07:04:16 GMT

to magandang program for learning the basics of hplc.

Introduction to HPLC Course