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What are your sample size requirements?

It is necessary that your sample size meets our minimum sample size requirements, which varies based on the type of test requested and the sample matrix being submitted.


  • Plant material (flower, biomass, etc.): 2 grams
  • Concentrates: 1 gram
  • Infused Products:
    • Edibles: 4 units/pieces
    • Tinctures: 1 mL
    • Topicals: 2 grams
  • Waters/Drinks: 60 mL OR provide a full finished product for determining fill weight on analytical scale.

Dry Weight Potency (USDA):

  • Plant material only: 2 grams
  • Note: your state may require a specific sample size based on your state’s sampling requirements.

Trace THC:

  • Plant Material / Extracts: 2 grams
  • Infused Products: 2 grams or 2mL of liquids

Terpene Profile Analysis:

  • 2 grams / 2 mL
  • Please note, Botanacor Laboratories does not perform Terpene Analysis on solid products such as infused edibles/capsules. If you would like terpene testing performed on finished products, please provide the concentrated oil or plant material used to formulate these products.

Residual Solvent Analysis:

  • Concentrates: 1 gram
    • Crude oil, distillate, and isolate only.
  • Liquids: 1 mL
    • Tinctures only.

Microbial Contamination:

  • Microbial test samples must be in a separate sample container from samples submitted for all other testing.
  • Plant material/extracts/liquids: 3 grams.
  • Food products (gummies, pet treats, etc.). At least 2 units and must weigh at least 3 grams total.

Pesticide Screening

  • Plant material: 2 grams
  • Concentrates: 2 grams
  • Liquids: 2 mL
  • Infused Products: 2 grams or 2mL of liquids

Heavy Metals

  • Plant material (flower, biomass, etc.): 1 gram
  • Concentrates: 1 gram
  • Infused Products:
    • Tinctures: 1 gram
    • Topicals: 1 gram
    • Food products (e.g. gummies/pet treats, etc.): 1 gram
  • Waters/Drinks:  gram
  • If solvents were used to make your product, please indicate this on your chain of custody form.

Water Activity:

  •  2 grams of finished products


  • 20 ml aqueous (water-based) product.


  • 20 ml flowable liquids only.

Note: Sample sizes are per test. For example, if you require Cannabinoid Potency and Residual Solvent Analysis, you will need to submit 1-2 grams for potency and 1 gram for Residual Solvents.

Updated on March 3, 2021

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