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Lead Nitrate 99%

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Synonyms : LEAD NITRATE,Lead dinitrate,Lead(II) nitrate,Plumbous nitrate,Lead(2+) nitrate,Nitrate de plomb [French],Lead nitrate (Pb(NO3)2),Lead(II) nitrate (1:2),Nitric acid, lead(2+) salt


Recommended use: Accelerator in gold cyanidation.

Flotation -Activator for stibnite (Sb2S3) in antimony ores.


Advantages of Lead Nitrate

**Lead nitrate is used to activate sphalerite, similar to Copper Sulphate.

**Lead Nitrate is also the most widely used chemical as an accelerator in cynadation of precious metals.

**Adding  lead nitrate to the pre-leach circuit increases gold recovery.

** In Several studies it has been presented that addition of lead solution for example lead nitrate, Pb(NO3)2, is able to enhance gold leaching kinetics.


Deschênes and Prud’homme (1997) have presented that lead nitrate can act in different ways.


**They observed that lead nitrate can activate the surface of a passivated gold particle, prevent a passivation film formation on the gold surface and also precipitate the soluble sulphides.

*** Kondos et al. (1995) have presented that sulphide mineral, which is distributed in the solution, will be precipitated by excess lead as PbS. Lead ion may also react with gold sulfide film making the passive gold particle to become active again in the absence of sulfide formation

 *** effect of lead ions in the form of lead nitrate, lead sulfide and lead sulfite, which are reacted with gold and accelerate gold dissolution

*** sulfide ion concentration is decreased fast with the addition of lead ions.

*** It may enhance gold leaching from ores by continually removing the leached species from the solution, redistributing the solid/liquid equilibrium and favoring further gold dissolution.

*** addition of lead nitrate does not affect cyanide consumption.

*** addition of lead nitrate together with oxygen provides the most effective gold extraction.

***** also presented that higher concentrations of lead nitrate can reduce gold extraction****


  • Lead (II) nitrate preparation

Lead (II) nitrate is prepared by mixing 12.5 kg into 200 litres drum of water. Lead nitrate activate the surface of a passivated gold particle and prevent a passivation film formation by sulphide minerals on the gold surface by forming gold-lead alloys on the surface of gold. Sulphide minerals or layers are precipitated by excess lead as PbS and through the reaction of Lead ions with gold sulphide films, and these make the passive gold particle to become active again in the absence of sulfide formation and these accelerate the dissolution of gold.


The dosage of  Lead (II) nitrate /Pb(NO4)  goes up to 200g/t. Above 200g/t the dissolution rate of gold reduced due to the formation of Pb(OH) which forms a passive layer on gold surface. A dosage of 250ml/min is also used.

pH range

The PH ranges from 8.5 to 9.0. Lead nitrate works for Gold ores which contains sulphides such as pyrite ores.

Lead nitrate is also used in other applications such as:

  • medical astringent;
  • tanning material for leather-making;
  • dyeing mordant;
  • photograph promoting agent;
  • flotation for ore;
  • chemical reagents; and also used for making fireworks, match, and other lead salts.



Molecular Formula: :N2O6Pb


 Cas Number: 10099-74-8

Physical Properties

Appearance: Colorless or white crystalline

Form, crystalline or granular solid/

Odor: Odorless

Boiling point: N/A

Melting/freezing point: :470 °C

Specific gravity: 4.53

 Flash point: N/A

pH: 3.0-4.0 (20% aq. solution)



View FileLead Nitrate 99% COA    Size: (1.26 MB)
View FileLead Nitrate 99% SDS    Size: (1.21 MB)

Lead Nitrate 99% SDS



  • Transport-UN UN 1469
  • Hazard Class No. :5.1 Oxidizing Agent
  • Packing Group: II
  • HS Code: 28332950



Store in a cool, dry, well ventilated place and out of direct sunlight. Store away from foodstuffs. Store away from incompatible materials . Keep containers closed when not in use - check regularly for spills.



Packing type


25kg PP/PE bags  

24 tons/FCL


4.Environmental impact


Environmental considerations - Water spill: Neutralize with agricultural lime (CaO), crushed limestone (CaCO3), or sodium bicarbonate (NaHCO3). Remove trapped material with suction hoses. Use mechanical dredges or lifts to remove immobilized masses of pollutants and precipitates.

5. Download our Lead nitrate msds for more safety and handling information.

  • With thousands of suppliers competing for our business, Kemcore has proven to be the most reliable and consistent import/export company in China, offering quality chemicals at competitive prices. We strive to continue working with them.

    Macheng Macheng

    Senior Buyer

    KS Energy (Pty) Ltd

  • Kemcore’s greatest advantage is understanding our culture, values, and expectations for business transactions, quality, and delivery from the Asian market feeding into Africa. Our business started with trial orders of 20 tons to the current 350 tons per month.

    Mike Peto

    Managing Director

    Sesani EPCM

  • Our import volume of chemicals and other mining accessories stands at $5.65mil/yr. We have significantly increased our market share due to the competitiveness & consistency in quality.

    Menfred Mukumba (MCIPS)

    Supply Chain Manager

    Intrachem Pvt Ltd

  • Kemcore continues to be  instrumental in procuring a complete suite of reagents for  our gold/copper flotation plant . I do not hesitate to recommend Kemcore services for Xanthate, DTP's plant reagent supply, especially when procuring out of China.

    Brienie Dzumbunu

    Metallurgical Superintendent

    Pan African Mining

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