Isn't the answer to check your patient results using an atomic
absorption reference method, aqueous primary standards and SRM 909b as a
control
https://srmors.nist.gov/view_detail.cfm?srm=909B
Then assign the Cfas calibration level for Ca (and Mg) then tell others
what the assigned values should be..
cheers
Trevor Walmsley
"A normal person is one that has not been fully investigated"
Trevor Walmsley, Canterbury Health Labs, Christchurch, New Zealand.
Phone: (0064 3) 364 0326 Fax:Phone: (0064 3) 364 0320
eMail: [log in to unmask]
Internet: http://www.cdhb.govt.nz/chlabs/staff/trevorw.htm
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