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Products
Std Pkg
 
Unit Price US$
Sodium dihydrogen phosphate - 2 - hydrate
mono-sodium ortho phosphate , sodium bi phosphate          
sodium dihydrogen phosphate dihydrate          
CAS - No [13472-35-0]          
Phy chem. data          
H2NaO4P. 2H2OM =156.01 g/mol          
             
 9817850   Sodium dihydrogen phosphate - 2 - hydrate cryst.pure
500
g
pb
 
     
25
kg

pb

 
Specifications
   
50
kg
hdp
 
           
Assay (NaH2PO4.2H2O)_________ 98.0 - 100.5%          
pH-value (5%; w/v; water)___________4.2 - 4.6 Heavy metals(as Pb)__________0.0005%        
Chloride(Cl)________________________0.005% Iron (Fe)____________________0.002%        
Sulfate (SO4)________________________0.02% Loss on drying (130º) ______21.5 -24.0 %        
Arsenic __________________________ 0.0001% Sub. insoluble in water (10% )____ 0.05%        
             
Sodium disulfite ----> see Sodium metabisulfite  
 
Sodium hydrogen carbonate
 
Sodium bi carbonate          
CAS - No . [144-55-8]          
Phy chem. data          
CHNaO3M = 84.01 g / mol          
Soluble in water / 20ºC100 g / L          
           
  13435   Sodium hydrogen carbonate purified 500 g pb  
      1 kg pb  
Specifications     5 kg pb  
      25 kg hdp  
Assay (NaHCO3)_____________________99% Total nitrogen (N) _______________0.002% 50 kg hdp  
Chloride(Cl)________________________0.01% Heavy metals (as Pb) _____________0.001%        
Phosphate (PO4) __________________0.005% Iron (Fe) ______________________ 0.001%        
Sulfate (SO4)______________________0.02% Magnesium (Mg) ________________ 0.005%        
             
 
di-Sodium hydrogen phosphate - 2 - hydrate
 
di-Sodium hydrogen phosphate dihydrate          
CAS - No. [10028-24-7]          
Phy. chem. data          
HNa2 O4P.2H2OM=177.99 g/mol          
Soluble in water / 20ºC93 g/L          
Melting Range 93 - 97ºC          
             
 04273   di-Sodium hydrogen phosphate - 2 - hydrate  purified
500
g
pb
 
     
25
kg

pb

 
Specifications    
50
kg
hdp
 
             
Assay (Na2HPO4.2H2O)________________99% Sulfate (SO4)_________________0.01%        
pH-value (2.5% aqueous solution)______8.8-9.4 Heavy metals(as Pb)___________0.002%        
Chloride(Cl)________________________0.01% Iron (Fe)____________________0.002%        
             
             
   



di-Sodium hydrogen phosphate (anhydrous)
 
Soerensen's buffer substance          
Phy. chem. data          
CAS - No. [7558-79-4]          
HNa2 O4PM=141.96 g/mol.          
Soluble in water / 20ºC75 g/L          
Hygroscopic          
             
 04277   di-Sodium hydrogen phosphate (anhydrous)
500
g
 pb
 
    (purified)  
25
kg

pb

 
Specifications

   
50
kg
hdp
 
           
Assay (Na2HPO4)_____________________98% Sulfate(SO4)__________________0.02%        
pH-value (2% aqueous solution)______8.7-9.3 Heavy metals(as Pb)___________0.002%        
Chloride(Cl)_______________________0.02% Iron (Fe)____________________0.002%        
             


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Sodium hydroxide
 
CAS - No. [1310-73-2]          
Phy. chem. data          
HNaOM=40.00 g/mol          
Soluble in water / 20ºC1090 g/L          
Hygroscopic          
             
              
             
 06209   Sodium hydroxide flakes purified
500
g
pb
 
     
1
kg
pb
 
Specifications
   
5
kg
pb
 
   
25
kg
hdp
 
Identity _________________________Passes test  
50
kg
hdp
 
Assay (NaOH)_________________________97.0% Sulfate (SO4)___________________0.05%        
Carbonate (as Na2CO3) _________________ 2.0% Heavy metals (as Pb) ___________ 0.002%        
Chloride (Cl)__________________________0.02% Iron (Fe) _____________________ 0.005%        
           
 06214   Sodium hydroxide pellets purified
500
g
pb
 
     
2.5
kg
pb
 

Specifications

   
5
kg
pb
 
   
25
kg
hdp
 
Identity__________________________Passes test  
50
kg
hdp
 
Assay (NaOH)_________________________97.0% Iron (Fe)_____________________0.005%        
Carbonate (as Na2CO3)__________________2.0% Sulfate (SO4)___________________0.01%        
Chloride (Cl)__________________________0.02% Heavy metals(as Pb)____________0.002%        
             
 30621   Sodium hydroxide pellets GR
500
g
pb
 
     
5
kg
pb
 
Specifications    
25
kg
hdp
 
     
50
kg
hdp
 
Assay (NaOH)______________________ min.98.0%          
Carbonate (as Na2CO3)______________max 1.0% Ammonium(NH4)__________max.0.0005%        
Water insoluble substances__________max.0.01% Calcium (Ca)______________max.0.005%        
Chloride (Cl)_____________________max.0.005% Copper (Cu)______________max.0.001%        
Nitrate (NO3)____________________max.0.0005% Iron (Fe)_________________max.0.001%        
Phosphate (PO4)__________________max.0.02% Lead (Pb)________________max.0.001%        
Silicate (SiO2)_____________________max.0.01% Magnesium(Mg)__________max.0.0005%        
Sulfate (SO4)____________________max.0.005% Nickel (Ni)________________max.0.001%        
Aluminium (Al)____________________max.0.002% Potassium (K)______________max.0.05%        
Arsenic (As)___________________max.0.00005% Zinc (Zn)_________________max.0.001%        
             

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Sodium hypochlorite
 
CAS - No. [7681-52-9]  
Phy. chem. data  
NaOClM=74.44 g/mol  
Soluble in cold water  
             
              
             
 13441   Sodium hypochlorite solution
500
ml pb  
     (approximately 4% w/v available chlorine)
1
lit
pb
 
Specifications    
5
lit
pjc
 
     
25
lit hdl  
Assay (Iodometric)_________4.8% w/v available
         
chlorine at the time of packing               
         
             

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Sodium metabisulfite
 
Sodium disulfite, sodium pyro sulfite          
CAS - No. [7681-57-4]          
Phy. chem. data          
Na205S2 M=190.10 g/mol          
Soluble in water / 20ºC640 g/L          
Thermal decomposition 150ºC          
             
              
             
 13460   Sodium meta bi sulfite purified
500
g
pb
 
     
1
kg
pb
 
Specifications

   
5
kg
pb
 
   
25
kg
hdp
 
Assay (Na2S2O5)______________________90%  
50
kg
hdp
 
Chloride (Cl)_________________________0.1% Lead (Pb)______________________0.005%        
Lead (Pb)_________________________0.005% Iron (Fe)_______________________0.005%        
             

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Sodium nitrate
 
CAS - No. [7631-99-4]          
Phy. chem. data          
NNaO3M=84.99 g/mol          
Soluble in water / 20ºC880 g/L          
Thermal decomposition above 380ºC          
             
            
             
 13445   Sodium nitrate purified
500
g
pb
 
     
5
kg
pb
 
Specifications    
25
kg
hdp
 
     
50
kg
hdp
 
Assay (NaNO3)_________________________99% Heavy metals(as Pb)_____________0.005%        
Chloride (Cl)_________________________0.005% Iron(Fe)_______________________0.005%        
Sulfate (SO4)_________________________0.01% Potassium (K)___________________0.01%        
             
Bulk Quantities - Prices on request
For Exports - Price in US $ on request

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A B C D E F G H I K M N O P S T U W X Z