13 Questions 31 Answers 0 Followers
Questions related from Chin Yik Lin
The material (besides clay) needs to be non-reactive/stable, and preferably synthetic. Thank you very much in advance! Your suggestion is very much appreciated!
09 December 2018 2,425 6 View
Using calcite and kaolinite as seeding materials, how does the BET surface of these seeds affect the precipitation of calcium carbonate in supersaturated medium.
19 November 2017 5,914 2 View
To what extent biomass burning (or forest fire) affects marine productivity?
18 November 2017 6,955 1 View
The diameter of the concretions and rocks are ~ 10 to 20 cm at depth of 1 to 3 meter under a salt marsh environment. The salt marsh sediment generally has very high moisture content with 30% of...
28 September 2015 4,975 6 View
We are interested in studying the porosity of two layers of sediment with very different density (one layer being very fluffy) in the field. Any idea how to do it without disrupting much of the...
22 July 2015 8,137 5 View
Precipitation of calcite is not observed when Fe/Ca > 0.2 in anoxic environment. Instead, we found siderite. Why? We are working on siderite concretion found in the salt marsh of UK. Quartz ~...
29 April 2015 3,194 3 View
The rainwater samples were collected in a suburb of Kuala Lumpur (Malaysia) after a prolonged drought and haze episode. These samples were filtered and acidified prior to analysis by ICP-MS.
03 January 2015 721 22 View
For example: My sample is marine sediment but I used urban dust SRM (both samples were subjected to same digestion technique).
24 April 2014 4,713 13 View
I would like to store rainwater samples for a long period of time (~1 month) prior to analysis for SVOCs (PAH, PCBs) and VOCs (bromoform, trihalomethane). So, what will be the best technique to...
25 March 2014 8,363 8 View
I've been sampling rainwater since last week to study its pH values after a long, dry, and hazy period (~60 days no rain). But the results don't seem to make any sense. Here is my experiment: On...
20 March 2014 5,484 32 View
In view of the multifarious analytical procedures involved in examining elemental isotopes (C, N, S, O) in different samples (sediments and water), I would like to know if there is any standard...
22 February 2014 1,427 3 View
My research facilities only limited to an IRMS and GC-MS without coupling. I am having trouble to use these instruments in finding the isotope ratios and concentration of halocarbons in the solid...
12 November 2013 6,276 14 View
Clearly, most third world countries do not have the facilities, expertise and budget to perform such advanced research. They tend to focus more on fundamental research and commercially potential...
01 October 2013 6,573 5 View
