Page 59 - Feed Lab

Suguna Management System Ver 1.0 / SOP / FQL / P2 - 01 Page 1 of 2

1. Estimation of Moisture

SCOPE
To estimate the moisture in feed and feed stuffs by Hot
Air Oven method.

PRINCIPLE
If sample of feed were heated at temperature higher
than the boiling point of water, water present as
moisture would be evaporated out leaving behind dry
matter. This moisture content is expressed as
Picture - 3 Picture - 4
percentage basis of the fresh feed or feed stuffs.
Apparatus
FAnalytical Balance,1 mg /0.1 mg accuracy
(picture-1)

FPetri dish (picture-2)
FHot Air Oven pre calibrated (picture-3)
FDesiccators (picture-4)

FMetal tongs (picture-5)
FNi- spatula. (picture-6) Picture - 5 Picture - 6

PROCEDURE
FTake cleaned and dried Petri dish and tare empty
dish with cap. Weigh accurately about3 gm to 4 gm
of ground sample in Petri dish. This is sample
weight. (Picture-7)

FThen again tare the Petri dish with sample and take
out from the weighing pan. See the display of
weighing balance and this is the initial weight.
(Picture - 8)
Picture - 1 Picture - 2

Prepared by : Approved by :
47 Director - Technical