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

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...

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)

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.

sop of a uv visible spectrophotometer double beam elico model

0 Answers   Sun Pharma,

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Why irmoisture balance is used for corrugated box moisture testing

0 Answers   Leiutis, Lupin,

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which are the guidelines for force degradation studies?

1 Answers  

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What is the Defination of Tapdensity ?

4 Answers   Dr Reddys, R L Fine Chem,

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why we should take dst factor for below 1%moisture samples

0 Answers   Ind Swift Laboratories,

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Why potassium dichromate was using in Uv calibration?

1 Answers  

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In the HPLC Calibration done wavelength accuracy done between 200nm-280nm .but not done remaining 300-400nm not done ?

0 Answers  

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what is the Bracketing & Matrixing.

8 Answers   Dr Reddys, Ranbaxy,

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Whatn is HPLC

1 Answers   HPLC, Jubilant, Orchid,

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why plane of polarized light rotated by opticaly active compunds?

1 Answers   Glenmark,

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how do we get usp reference standard potency?

1 Answers   Ind Swift Laboratories, MSN Pharma,

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For Recent draft guidelines for Dissolution test apparatus calibration, why removing the salicylate tables?

3 Answers   Alkem Labs,

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