I need to APHA method for trace metal analysis in water and sediments, but that method is not available with us. Please give me the soft copy of that method.
Dear Kamal
Please see the attached file.
All the Best
karbassi
Please check the attached file. We can find your required methods from part 3000 (page # 313).
It is available online. APHA.org; you can subscribe to the methods section.
Is that possible extract inorganic arsenic (As-III & V) simultaneously by using liquid-liquid extraction technology? What is the suitable solvent and complexing agents?
03 April 2019 5,884 2 View
I need to extract the As (III) and As (V) in mixture of organic and inorganic As mixture or from seaweed. Are there any way to stop the extraction of AB and organic arsenic compound?
02 March 2019 1,556 4 View
I need to extract seafood and need to avoid the arsenobetaine extraction, Are there any chemical reaction or extraction method to avoid the extraction arsenobetaine?
02 March 2019 7,939 4 View
EU regulation no 2074/2005 gave the maximum level of TVB for fish in 3 categories as 25, 30 and 35 mgN/100 g. I need to know what are the basic to set this level. Is that only organoleptic...
07 August 2016 3,415 2 View
Do you any reference/literature of the proximate composition, especially protein content of Chitala ornata (Knife fish) flesh?
04 May 2016 6,832 1 View
03 April 2016 3,493 0 View
Here, I attached one method published for vitamin C determination, in generally Iodine solution used, but here, they use KI & KIO3? How to calculate I2 mol in here without standerdization or...
01 February 2016 5,839 3 View
Some authors give the dioxin concentration, pg/g and some gave the concentration pg/g WHO-TEQ. How to compare those values and how to convert TEQ to pg/g?
10 November 2015 7,260 3 View
05 June 2015 9,078 0 View
11 December 2014 3,192 8 View
How to calculate the RMSD values for a MD simulation using MOE?
07 August 2021 0 0 View
When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.
16 June 2021 0 0 View
effect of double bond on the flexibility of polymers
07 April 2021 0 0 View
I am writing to request some information for making polymer color flakes. I would appreciate the help.
17 March 2021 0 0 View
Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...
03 March 2021 8,796 3 View
I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance
03 March 2021 3,568 1 View