Describe the process of Actinium extraction from its primary sources and how it's obtained for various applications.

650

What are the differences between chemical and electrochemical corrosion? : Electrochemistry Corrosion

1093

Explain substituted hydrocarbon?

1059

What group of elements were called the inert gases?

1119

What is the reaction that occurring between fas and potassium dichromate?

1280

Why we are use glass viscometer, and what is calculation manual calculation formula as per USP. How many types of viscometre in glass type viscometer.

2345

naphtha and hexane mixture can be used a fuel or not

2456

My question about gas chromatography sulfur chemiluminsecence detector. I test unknown sample gas by GC-SCD (calibrated ) and the result of *H2S is 279 PPM , *but when I test the same sample with the GC-TCD (calibrated ) the value of *H2S is 2500 PPM . I'd like to inform you that both GCs are calibrated and have very good operation conditions with stable parameters . the question is if the sample gas with higher H2S over detection limits of SCD detector (1000 ppm). why the result it 279 ppm Best regards

1596

In the isomers,enantiomers give the only physical properties present such that no chemical properties present.

2221

Describe the role of Protactinium in neutron sources and its significance for research in nuclear physics.

572

Why is disodium salt of edta preferred to edta?

1539

how to get accurate result for Residue on evaporation in purified water

1647

Many times I don't got a caffeine peak in calibration of hplc using guard column ❓

1819

What is wave number?

1125

Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?

2833