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Analytical Method: Analytical Quality Assurance, Standard for Sodium

Reagents:
Cat.No. 119897  Chloride standard solution 1000 mg/l Certipur®
Cat.No. 116754  Water for analysis
 
Preparation of a standard solution:
A chloride standard solution 1000 mg/l chloride can be used; 1000 mg/l chloride corresponds to 649 mg/l sodium.
 
Further investigational concentrations may be prepared from this stock solution by diluting accordingly.
 
Stability:
When stored in a cool place (refrigerator), the stock solution remains stable for one month.


 

For use with test kits:

 

Measuring range
in mg/l Na

100885

Spectroquant®Sodium Cell Test in nutrient solution for fertilization

10 - 300

 

Materials

     
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