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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
131 135
Struggling with Analyte recory and accuracy for Primary lead impurities by ICP-OES
I am currently trying to develop a method for determining impurities in primary lead and recycled secondary lead. I have been struggling to get good recovery for my elements the current method of digestion used involves using Nitric Acid, perchloric acid and precipitating out of lead using hydrochoric Acid. I used a CRM as a sample and i was not getting the expected concentrations for my Elements. I dont
Posted: 09/26/19 06:29:33
147 150
Elemental Impurities in Sodium Hydroxide
Test of elemental impurities in sodium hydroxide pellets according to ICH Q3D.
Posted: 10/01/19 08:05:53
80 83
144 149
Digesting an organic with Os Spike
Alternative to oxidizing-acid digestion
Posted: 09/13/19 08:59:10
4 5
Stabilizing Si with HF and acid digestions
I recently ordered a 1000 ppm standard of SiO2 for testing on my MP-AES. The label on the standard says there is trace amounts of hydrofluoric acid; does this help the Si stay in solution? If so, are you aware of how accurate an acid digestion for Si would be without the use of HF?
Posted: 09/06/18 22:19:12