======Sodium examination procedure======
  *Learn operation of [[Erba XL-640]] and [[Erbachem]].  
  *Select equipment
    *Use Erba XL-640 as peferred equipment.
    *If Erba XL-640 is malfunctioning and can not be repaired within period acceptable to clinicians, use Erbachem and follow [[procedure for responding to Erba XL-640 failure]]
  *Read following documents

^references|{{erba_electrolyte_pack.pdf|Na+ Reference literature 1}}|

^**environmental and safety controls**|{{MSDS-sodium-chloride.pdf|MSDS of sodium chloride}}|
| |{{msds_Potassium chloride.pdf|MSDS of Potassium chloride}}|
| |{{msds_Lithium carbonate.pdf|MSDS of Lithium carbonate}}| 
**Preparation of [[Electrolyte reagent]]**\\  

======Erba XL-640======
[[nchsls:c:biochemistry:document:how_to_perform_examination_in_erba_xl-640|Procedure for examination in Erba XL-640]]