Ash Test - Color
CLASH
|
Turnaround Time:
2 - 4 days


Method Description
Ash Test - Color: Ash color analysis evaluates the visual appearance of residue remaining after cannabis flower or concentrate is fully combusted, with lightness measured on a 0–100 scale from black to white. This test supports product quality assessment and lot consistency evaluation, giving cultivators, processors, and brands objective data to characterize cure quality, mineral balance, and combustion performance across batches. The method quantifies ash lightness using colorimetric or spectrophotometric measurement of post-combustion residue, providing a reproducible, instrument-based alternative to subjective visual grading.
Analyte List
Technical Data Sheet
Method Name
Ash Color Analysis of Cannabis Products
Method Code
Equipment Type
Color Analyzer
Equipment Details
HunterLab Aeros Reflectance Spectrophotometer
Method Reference
Reportable Unit
L,A,B
Sample Size Requirements
20 grams
Available for
Food Products,
Dietary Supplements,
Botanicals (Raw Materials, Extracts, Finished Products),
API (Isolates, Active Ingredients)
Cannabis & Hemp (Plant Materials, Extracts, Isolates, MIPs)
Additional Information
Unavailable for
*Prices and offerings are subject to change without notice.
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