Why store pH electrode in KCL?

Started by poobear | Last post by poobear August 01, 2011, 08:16:29 AM

Why the brix of milk decreased when temp decrease?

Started by ThidaWan | Last post by ThidaWan December 10, 2021, 07:31:56 AM

why the colour of metyl orange disapears in alkalinity test?

Started by danavuia.1987 | Last post by danavuia.1987 March 07, 2019, 07:04:59 AM

Why the excited state of phosphorescence often lower than that of flourescence?

Started by studytogether | Last post by ARGOS++ April 03, 2008, 07:21:54 PM

why use Ethyl Acetate to extract?

Started by a confused chiral girl | Last post by a confused chiral girl December 29, 2009, 01:02:10 PM

Why use Internal Standard for GC-MS?

Started by LabRat01 | Last post by Grundalizer February 09, 2011, 08:21:20 PM

Why usually six replicates?

Started by rasl | Last post by rasl November 22, 2010, 10:11:21 AM

Why was the solution made alkaline?

Started by baboom | Last post by Quaff January 05, 2010, 02:17:27 PM

Why we need to fold up a filter paper for simple filtration?

Started by Winga | Last post by Winga September 22, 2005, 05:51:36 AM

Why would current decrease with standard addition of Fe on AS voltammetry?

Started by bboorriinnggg | Last post by bboorriinnggg November 27, 2009, 09:04:11 AM

Why?What?How?

Started by asqa | Last post by DrCMS July 06, 2005, 10:46:23 AM

Will keto-enol tautomers present different spots onTLC?

Started by foxp | Last post by Borek September 22, 2006, 11:20:41 AM

Will this titration works? Reasonable?

Started by yuchungchen | Last post by Arkcon January 11, 2014, 11:58:47 AM

Wine chemical analysis

Started by dgt20 | Last post by Arkcon February 15, 2018, 09:30:45 AM

Would there be any difference adding HCl instead of HNO3 on Ag & Pb carbonates?

Started by RaelAerosolKid | Last post by Meter March 19, 2021, 08:56:53 AM