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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

0 Replies
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Last post March 07, 2019, 07:04:59 AM
by danavuia.1987
5 Replies
497 Views
Last post March 05, 2019, 02:44:17 AM
by Borek
Acetic acid standardizing with NaOH, Which volume to use?

Started by AussieKenDoll | Last post by AussieKenDoll March 04, 2019, 03:12:52 PM

2 Replies
219 Views
Last post March 04, 2019, 03:12:52 PM
by AussieKenDoll
Help with LC/MS

Started by tiptop | Last post by MOTOBALL March 03, 2019, 05:26:20 PM

1 Replies
310 Views
Last post March 03, 2019, 05:26:20 PM
by MOTOBALL
ESI-MS Multiple DMSO Adduct

Started by skh1996 | Last post by MOTOBALL February 23, 2019, 01:26:34 PM

4 Replies
385 Views
Last post February 23, 2019, 01:26:34 PM
by MOTOBALL
Methyl Red Base form molecular weight

Started by ubcdumbass | Last post by Borek February 23, 2019, 04:21:08 AM

1 Replies
242 Views
Last post February 23, 2019, 04:21:08 AM
by Borek
How to go about correctly obtaining quantum yield?

Started by GrimTheCat | Last post by Corribus February 22, 2019, 01:15:03 PM

3 Replies
317 Views
Last post February 22, 2019, 01:15:03 PM
by Corribus
Question about HF on ICP-OES

Started by Ithakaz | Last post by Ithakaz February 22, 2019, 10:32:30 AM

2 Replies
369 Views
Last post February 22, 2019, 10:32:30 AM
by Ithakaz
Concerned about working with sodium azide, is this PPE enough?

Started by Biostartup | Last post by wildfyr February 20, 2019, 08:11:42 PM

4 Replies
508 Views
Last post February 20, 2019, 08:11:42 PM
by wildfyr
Optimisation of elution conditions using designed experiments in HPLC

Started by Legolasas5 | Last post by Legolasas5 February 20, 2019, 04:30:15 PM

0 Replies
251 Views
Last post February 20, 2019, 04:30:15 PM
by Legolasas5
The determination of Se and Zn in multivitamin tablets

Started by Didi2604 | Last post by Borek February 20, 2019, 03:34:29 PM

3 Replies
334 Views
Last post February 20, 2019, 03:34:29 PM
by Borek
What can we check in GC?

Started by Toma_P | Last post by marquis February 16, 2019, 09:31:43 PM

2 Replies
652 Views
Last post February 16, 2019, 09:31:43 PM
by marquis
GC parameters question

Started by Cantacoxinha | Last post by marquis February 14, 2019, 07:12:00 PM

4 Replies
550 Views
Last post February 14, 2019, 07:12:00 PM
by marquis
pH of polyprotic acid with other substances

Started by ubcdumbass | Last post by Borek February 14, 2019, 04:43:55 PM

3 Replies
357 Views
Last post February 14, 2019, 04:43:55 PM
by Borek
EDTA Titrations

Started by ubcdumbass | Last post by Borek February 14, 2019, 04:42:09 PM

4 Replies
379 Views
Last post February 14, 2019, 04:42:09 PM
by Borek
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