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105.4 - Toxic Substances in Urine (powder and frozen form)

These SRMs are intended for the determination of arsenic species in human urine. SRMs 2668, 2669, and 3668 consist of five pouches, each containing one vial of Level I Arsenic Species and one vial of Level II Arsenic Species. SRM 3669 consists of 5 vials of arsenic species at an elevated level.

PLEASE NOTE: The tables are presented to facilitate comparisons among a family of materials to help customers select the best SRM for their needs. For specific values and uncertainties, the certificate is the only official source.


- Certified values are normal font
- Non-certified or reference values are italicized
- Non-certified values in parentheses are for information only


Detail - Detail    Certificate - Certificate    Report of Investigation - Report of Investigation    MSDS - MSDS    Data Files - Data Files    Questionaire - Questionnaire


  2668 2669 3668 3669
Status   >> Now Selling Now Selling Now Selling Now Selling
Description   >> Toxic Elements in Frozen Human Urine Arsenic Species in Frozen Human Urine Mercury, Perchlorate, and Iodide in Frozen Human Urine Arsenic Species in Frozen Human Urine (Elevated Levels)
  Detail Certificate MSDS Detail Certificate MSDS Detail Certificate MSDS Detail Certificate MSDS
Unit of Issue   >> 10 vials x 1.5 mL 10 vials x 1.5 mL 10 vials x 1.5 mL 5 vials x 1.5 mL

concentrations in µg/L
Aluminum (Al)        
Antimony (Sb) 2 levels      
Arsenic (As) 2 levels 2 levels   185.1
Arsenic acid (AsV)   2 levels   17.8
Arsenobetaine (AB)   2 levels   51.0
Arsenocholine (AC)   3.74    
Arsenous acid (AsIII)   2 levels   14.28
Barium (Ba) 2 levels      
Beryllium (Be) 2 levels      
Cadmium (Cd) 2 levels      
Calcium (Ca)        
Cesium (Cs) 2 levels      
Chlorine (Cl) 2 levels      
Chromium (Cr) 2 levels      
Cobalt (Co) 2 levels      
Copper (Cu) 2 levels      
Dimethylarsinic acid (DMA)   2 levels   77.1
Fluoride (F) 2 levels      
Iodine (I)     2 levels  
Iodineb        
Lead (Pb) 2 levels      
Magnesium (Mg)        
Manganese (Mn) 2 levels      
Mercury (Hg)     2 levels  
Molybdenum (Mo) 2 levels      
Monomethylarsonic acid (MMA)   2 levels   21.6
Nickel (Ni) 2 levels      
Nitrate (NO3-)     2 levels  
Perchlorate (ClO4)     2 levels  
Platinum (Pt) 2 levels      
Potassium (K) 2 levels      
Selenium (Se)        
Sodium (Na) 2 levels      
Thallium (Tl) 2 levels      
Thiocyanate (SCN-)     2 levels  
Thorium (Th)        
Tin (Sn) 2 levels      
Trimethylarsine oxide (TMAO)   194    
Tungsten (W) 2 levels      
Uranium (U) 2 levels      
Vanadium (V) 2 levels      
Zinc (Zn)        

- Certified values are normal font
- Non-certified or reference values are italicized
- Non-certified values in parentheses are for information only

a Flourine concentrations, as measured, are for Fluoride, mass concentration.
b Iodine concentrations, as measured, are for Iodide.
c These levels are not spiked, but are endogenous to the matrix.