Description
Kratom Analysis Practice/Internal Proficiency Test
Mitragynine and 7-hydroxymitragynine, varied in methanol, 5 - 500 ug/mL
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Absolute StandardsKratom Analysis Blind/External Proficiency Test
SKU: 38574-EX
$772.22Kratom Analysis Blind/External Proficiency Test Mitragynine and 7-hydroxymitragynine, varied in methanol, 5 - 500 ug/mL -
Absolute StandardsAbamectin INTERNAL/PRACTICE Proficiency Test
SKU: P38772-IN
$138.89Abamectin PRACTICE/INTERNAL PT Specs Part Number 38772 Solvent in acetonitrile Concentration -
Absolute StandardsChlormequat Practice/Internal Proficiency Test
SKU: 38622-IN
$166.67Chlormequat Practice/Internal Proficiency Test Specs Part Number 38622 Solvent in methanol Concentration Varied ug/mL Amount -
Absolute StandardsTerpenes in Gummy Internal/Practice Proficiency Test
SKU: 38769-IN
$994.44Terpenes in Gummy Internal/Practice Proficiency Test Part Number 38769 Solvent in Gummy Matrix Concentration Varied µg/g Amount</ -
Absolute StandardsRhode Island Pesticides Practice/Internal Proficiency Test
SKU: 38762-IN
$527.78Rhode Island Pesticides Practice/Internal Proficiency Test Specs Part Number 38762 Solvent in acetonitrile Concentration -
Absolute StandardspH Shelf Stability Practice QC/Internal Proficiency Test
SKU: 55230-IN
$105.56pH Shelf Stability Practice QC/Internal Proficiency Test Sample Preparation = Analyse sample in container or in a transfer cup. Formulation Range = 5.0-10 pH, Evaluation =...
