======Calcium 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^
|Calcium by Arsenazo III|{{Calcium reference literature.pdf|Calcium reference literature}}|
|Urine Sample processing for Calcium, uric acid etc|{{:nchsls:c:biochemistry:document:urine_sample_processing.pdf|}}|

^**environmental and safety controls**|{{msds_arsenazo.pdf|MSDS of arsenazo }}|
| |{{msds_PIPES.pdf|MSDS of PIPES }}| 

**Preparation of [[Calcium arsenazo reagent]]** (Currently Use)

**Preparation of {{:nchsls:c:biochemistry:document:cpc_sop.ods|}}** (not in Use)

[[nchsls:c:biochemistry:document:online_information_resource_for_patients_and_users#Instructions_for_Patient_Collected_Samples|Special instructions for patients]]
======Erba XL-640====== 
|[[Centrifugation]]|
|[[Preparing aliquot]]|
|[[nchsls:c:biochemistry:document:how_to_perform_examination_in_erba_xl-640|Procedure for examination in Erba XL-640]]|


  - Currently serum and urine are accepted as sample type. 
{{:nchsls:c:biochemistry:document:calibration.odt|instruction for calibration}}