high resolution liquid chromatography sentence
English translation: reverse-phase column
| 16:25 Jul 22, 2001 |
| Spanish to English translations [PRO] Science | |||||
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|  Selected response from: Helen Casas Local time: 07:09 | ||||
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| na | 1. Yes, its a reverse-phase column 2. missing character |
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| na | answers |
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| na | abajo |
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| na | reverse-phase column |
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Answers
27 mins
1. Yes, its a reverse-phase column 2. missing character Explanation: is NOT likely to be MU, more like mm. (Do you have any idea how small MU is?) 3. a mixture of 1% ascetic acid in acetonitryl (acid should be the smaller quantity). 4. caudal volumetrico is volumetric flow. 2 years with INSALUD and another 3 years in pharmaceutics |
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28 mins
answers Explanation: See links for 'reverse phase chromatography columns': http://www.chemsupply.ch/FLUOFIX_COLUMNS_Info_Shop.html http://www.metabase.net/docs/earth/22506.html C18 Kromasil 100 seems to be a brand of 'preparative columns'. Here's a Web link: http://www.richardscientific.com/pricelist/preparative.html (note the reverse numbers, the Web site lists Kromasil 100-C18) So you were right! Kromasil 100-C18 reverse-phase column ácido acético-acetonitrilo seems to be two substances, see links for examples: http://www.analytical-standards.com/region/de/methods/165460... http://www.proteometrics.com/contam/esideter.htm I'd go for acetic acid/acetonitrile, judging from the Web results |
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46 mins
abajo Explanation: es columna de fase INversa, no reversa. |
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2 hrs
reverse-phase column Explanation: I believe the previously indicated order is correct: C18 Kromasil 100 reverse-phase column Yes, it is a mu. If I recall correctly, this is an indication of the packing size. HPLC is used to assay the amount of a particular chemical in a solution, so the packing must be extremely fine. acetic acid-acetonitrile This is the mixture used for the mobile phase. In HPLC, there are two phases: a stationary phase and a mobile phase. The mobile phase is generally decided on the basis of which chemical(s) is being assayed. Each chemical takes a different amount of time to elute and that's how the amount is determined. caudal volumétrico is translated "flow rate". Helen C. Chemical engineer, MIT Pharmac. translator |
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