Quality Control and Proficiency Samples
46
–
60
of
202
results
46
47
SPEX CERTIPREP LLC 3P TRACE METALS PT
(NSI by Zeptometrix) Wastewater Trace Metals PT Sample, 2 x 21 mL amber vial set
48
49
50
Pickering Laboratories Inc CAL STANDARD 5ML
Native Sample Standard without Norleucine & Alpha-Amino-Beta-Guanidinopropionic Acid in Lithium Citrate Buffer, 0.25 µmole/mL, each (5 mL /bottle) Amino Acid Analysis.
51
Cambridge Isotope Laboratories Standard for EPA Method 8280 (CC1) 0 2 mL
Standard for EPA Method 8280 (CC1) 0 2 mL
52
SPEX CERTIPREP LLC 3P SIMPLE NUTRIENT
(NSI by Zeptometrix) Wastewater Simple Nutrient PT Sample, 21 mL Concentrate
53
54
55
56
SPEX CERTIPREP LLC 3P Complex Nutrients QC CRM 21mL
NSI Lab Solutions QCI-139 Complex Nutrients QC CRM, 21mL Single
57
58
Verichem Laboratories ELECTROLYTE STANDARD KIT
Protein-based, liquid standards Intended for calibration verification or calibration Suitable for most direct ISE, diluted ISE and cesium flame Glycol and surfactant free for maximum electrode protection Revised formulation for lithium direct ISE
59
60
