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Questions related from Azlan Nazeri 亚之兰) アズラン
Dear All As we know, to determine the detection limit for AAS /ICP, we can do 10 blank tests and then calculate the standard deviation, so that LOD and LOQ can be calculated. My question is how...
24 March 2022 9,087 4 View
Dear All What standard code to design HDPE (High density polyethlene) tank? for carbon steel can use API 650 (oil storage) For pipe usually can use Asme B31.3 (SS and CS)
21 June 2021 8,835 1 View
Hi all May I know what the value of evaporation rate (ER) for n-hexane? I wanna to calculate the ventilation rate, Q. At safety data sheet (SDS) is also not provide the ER information ii)...
06 August 2020 6,945 3 View
Dear All Last time, I have analyzed dragon fruit peel extract using UHPLC-MSMS. It can be seen for total 13 compounds were detected, only 6 compounds have the activity as antibacterial against S....
26 July 2018 268 3 View
Dear All Which one is better to determine phenolic compound inside the dragon fruit peel either use QTOF or QTRAP? ESI QTRAP is normal resolution but with ion trapping for better spectrum...
22 April 2017 1,255 7 View
Dear All Kindly to ask you, is there any relationship between antioxidant and antimicrobial activity? since I already extract active compound from dragon fruit peel using distilled water as a...
02 September 2016 4,635 14 View
Dear all what the best solvent to dissolve DPPH? before that I used 70% ethanol as file attached, but it not fully dissolved. Besides that I quite confused, what the important is IC50? why should...
09 June 2016 369 11 View
