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Technical Questions Forum

Whether you need detailed assistance or quick troubleshooting, Inorganic Ventures, the standardology experts, is here to help. We're eager to assist chemists with hundreds of topics ranging from problem elements to calculations. The links below showcase real-world technical problems along with solutions provided by our in-house experts.

 
Forum Total Topics Total Posts Latest Reply
135 143
Digestion or leaching of Molecular sieve for lead analysis
Can you help me with digestion or leaching of molecular sieve to extract lead from it. lead analysis will be done by ICPMS. Thank you Ramakrishna B
Posted: 10/19/20 10:57:15
150 155
SIC for 6020 B EPA method
We are working on EPA 6020 B method development for analyzing just Ca, K, Mg, Na in the precipitation water samples. How do we modify the spectral interference check solution (SIC) given in the 6020B method to verify any isobaric interferences? Thank you.
Posted: 10/19/20 15:39:24
81 84
New instrument
I'll buy a new ICP-OES, I am going to use it mainly for analysis of drinking water, groundwater, sediments and soils, which brand and which model would you recommend?Kind RegardsHarry
Posted: 10/24/20 11:54:39
146 155
Antimony count unstable in ICP-OES
Instrument: ICP-OES Wavelength: Sb206.834 and Sb217.582 Product: CGSB1-125ml LOT# N2-SB665459 and P2-SB676727 the intensity of 1 and 10ppm Antimony solution from IV increased gradually when repeat injection from same solution. others element are fine. Inorganic Ventures 10ppm in Matrix is 0.07N + 0.8%HNO3 Inorganic Ventures 1ppm in Matrix is 0.07N + 0.08%HNO3 LOT# N2-SB665459 Trial 1: 2256 Trial 2: 2415 Trial 3: 2633 Trial 4: 2858 Trial 5: 3070 Trial 6: 3260 Trial 7: 3376 Trial 8: 3520 LOT# P2-SB676727 Trial 1: 2525 Trial 2: 2826 Trial 3: 3035 Trial 4: 3262 Trial 5: 3394 Trial 6: 3496 Trial 7: 3564 Trial 8: 3605
Posted: 02/25/20 08:42:15
7 11
ICP-MS Sample introduction
Hi, we have an ICP-MS 7800 and was running normally until a routine service was done. Nebulizer and chamber were cleaned by following Agilent Instructions. When we started the instrument an error appeared indicating poor sensitivity. We prepared new tune solution (1ppb) and check masses, but the problem persist. No leaks were detected. Your guidance will be appreciated.
Posted: 02/06/20 16:06:56