Beans: Special analyses

Upon request, samples may be analyzed for other factors. The shipper of the beans indicates which factors are to be analyzed and which sieves to use.

Split beans

Use a slotted sieve to help in separating splits from whole beans.

Record all percentages to one decimal place.

Minimum representative portion to analyse of grading factors
Factor Minimum representative portion to analyse, grams
Foreign material 500
Sound whole or sound splits 100
Damaged whole or damaged splits 100

Cracked seed coats (CSDC)

Cracked seed coats include

  • Beans with any cracked seed coats
  • Beans with a piece of seed coat missing
  • Beans with a seed coat punctured by insect or other means