Lea Chua Tan

6 Questions 11 Answers 0 Followers

Questions related from Lea Chua Tan

Has anyone used the bio-methane potential test from Anaero Technology? How does it compare to AMPTS II system from Bioprocess Control?

I am thinking of buying an AMPTS II system when I came across a UK company Anaero Technology. They also offer a bio-methane potential test system similar to AMPTS II. I was wondering if anyone has...

28 May 2018 6,446 6 View

Has anyone attempted to use environmental anaerobic granular sludge to grow biofilm?

I am attempting to grow biofilm from the anaerobic granules I took from a wastewater treatment plant. I crush them using a syringe and inoculate it with lactate (and growth media). I am currently...

09 February 2016 9,711 3 View

Does anyone know why Sodium Sulfate in a solution would precipitate in a mineral media in room temperature (15-20 degree Celsius)?

I am having a very difficult time with my samples recently and is suspected of causing our Ion Chromatograph (IC) to always have clogging problem due to possible precipitate formation caused by...

17 February 2015 8,042 5 View

What is the most optimum contact time for ozonation treatment when only a maximum of 0.3mg O3/L-min can be generated?

I'm having difficulty figuring out the optimum contact time for my ozonation batch small-scale experiment (about 10L sample). The ozone is generated using the air and the maximum concentration...

01 October 2013 7,412 13 View

How long can extracted water samples (SPE) in methanol be stored and at what temperature?

I have been extracting organic compounds of my water samples using solid phase extraction (SPE) and evaluating them through various bioassays. I have many different tests to do and I have to keep...

20 May 2013 6,162 14 View

Can anyone suggest a positive control for MTT & neutral-red assay with using HEPG2 cell line?

I am using a series of bioassays to evaluate the biological response of different treatment processes. All of my effluents are extracted and I am evaluating the effluents as a whole, not according...

28 April 2013 7,602 12 View