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Questions related from Mina Jalali
Is there a laboratory test for being pathogenic or not a Bacteria in fish that not be needed Inject bacteria into fish or dipping? For this purpose, is a bacterial culture in blood agar medium can...
31 October 2021 8,242 3 View
What is the method for measuring heavy metals other than Atomic absorption spectrometry (AAS)?
11 July 2021 4,495 15 View
Does the pH always decrease as the phosphorus concentration increases? Has anything been observed to increase pH as phosphorus increases?
26 May 2021 9,495 9 View
How is a blue dye formed in the measurement of phosphorus by Murphy and Riley method? As a result of what reactions after a few minutes? How long does this color last? When is the best time to...
23 May 2021 614 2 View
I want to extract the phosphorus fractions in fish pond sediment by "SMT method" and measure them by the "Murphy and Riley method". Although I am sure the sediment contains a lot of organic and...
01 January 1970 3,537 5 View
If there is a time interval (about 1-2 months) between sampling and testing, how should be stored the samples during this time that mineral and organic phosphorus fractions as well as bacterial...
01 January 1970 8,180 4 View
Ca, Al, and Fe can adsorb phosphorus anions due to their positive charge. Heavy metals also have a positive charge, fewer articles talk about phosphorus-heavy metal complexes. What compounds does...
01 January 1970 6,145 10 View
What are the new methods for measuring phosphorus fractions measure in soil?
01 January 1970 3,615 16 View
What are the chemical processes in phosphorus fractions measurement? What reactions occur when different solutions are added to the sediment? And how does it release phosphorus at different stages...
01 January 1970 6,064 4 View
How long phosphorus fractions measurement can be delayed after sampling? Can the passage of time change the phosphorus fractions (AL-P, Ca-P, Fe-P, available phosphorus, and OP) in the dried samples?
01 January 1970 9,059 4 View
Hello I am researching the mineral phosphorus fractions in calcareous soils. It is said that in the measurement of phosphorus by the Jiang and Gu method in calcareous soils, citrate prevents the...
01 January 1970 3,217 5 View
A problem in warm water fish pond experiments, including Silver carp and Bighead, is high loss during captivity (in the laboratory). What is the reason? Is there a way to keep these fish...
01 January 1970 7,505 3 View
