why we are using only lead standard solution for Heavy
metals test? what is the purpose of this?
Answers were Sorted based on User's Feedback
Answer / kalpana
when compare to other heav metals,lead is more carsinogenic and it is harmful to humanbeing at very low ppm levels,so in heavy metals procedure if lead ppm level is low ,mostly oter metals ppm levels low and less harmful
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / sandeep
In production mostly we are using GLR and other equipments most of them come up means coating with lead so while in the reaction there is a chances of leaching of lead may takes place that is why we are using mostly lead as a std in HEAVY METALS testing...
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / siva
it has the valency+3 and it is very stable compare to other metals(i.e, other metals intensity will disappears fast compare to lead intensity)
| Is This Answer Correct ? | 2 Yes | 3 No |
Answer / s.ranjith kumar
lead is the high carcinogenic metal. in the heavy metal if
lead is present, there may be chance to present other metals.
and lead is low cost and readily available in the market.
| Is This Answer Correct ? | 1 Yes | 12 No |
why wetlab is called as wetlab
Why monograph of hplc coming upperside of drift but in IR monograph coming in drift side?
What should be the level/ Percentage of Arsenic in Arsenic free zinc.
0 Answers FDC, Laurus, Pharmaceutical,
IF THE COMPOUND PKA IS 5.3 WHY WE ARE ADJUSTING PH+/-2 OF THE COMPOUNDS PKA. WHAT IS THE CONDITION
2 Answers Dr Reddys, Reddy Labs,
How can we determine Moisture content of HI?
In rs method development when we are going area normalization method to dilute standard method?
difference between precision & accuracy.
If vendor having more imp than monograph then how to proceed? and how to set spec?
what is weight veriation in pharma industry ? plz explain me
why we use 0.1% acetone in gradient calibration of HPLC?
3 Answers Cipla, Dr Reddys, FDC,
I have 1 gram of Diphenylamine and want to make a 10,000 or 1000 ppm solution in methanol. How do I make this?
If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately