Page 51 - Feed Lab

Sampling And Sample Preparation Procedure Suguna Management System Ver 1.0 / SOP / FQL / P1 - 08 Page 4 of 4

2. As a special case, the vegetable and animal protein
Procedure:
sources raw materials and mineral supplements
A. From Bulk-Containers: should be stored for 2 months period
FIt should be confirmed whether the tanker inlet and 3. The sample should be neatly stored in a sample
outlet are properly sealed. After verification, open rack with system of easy retrieval of samples
the seal of each individual compartment.
PREPARING SAMPLES FOR ANALYSIS-
FFrom top, open all the available compartments in
GENERAL INSTRUCTIONS
the bulk-container tank and physically check for the
presence of only the respective material. FThe quantity of sample should be sufficient for all
analyses necessary; it should be homogeneous
FSample should be collected from top, middle and and representative.
bottom part of a compartment in the Bulk-container
tank and poured in the bucket, mixed thoroughly. FThe sample must be handled carefully to avoid any
change or contamination.
FDuring this process of sample collection, the
physical quality of the material should be verified FThe sample should be ground finely, sifted and
and if any deviation, the particular sample should thoroughly mixed. This should all be done quickly,
be collected in a separate bucket. with minimum exposure to the atmosphere.
Overheating during grinding must be avoided.
FSeparate sample should be collected from each
individual compartment and analyzed separately. FIf the sample has high moisture content and cannot
be prepared without changing it significantly,
determine the moisture content both before and
B. From Barrels/Drums:
FSample should be collected from all barrels/drums after preparation.
in the load, so that the sampling should be 100%.
FMacroscopic and microscopic physical
FAll barrels/drums should be opened and sample examination is recommended to detect the
should be taken. presence of contaminants.

FIf material in any of the barrels/drums is deviating FMix the sample well and divide into two equal parts;
from normal physical property of the respective if necessary carry out a preliminary grinding to
material, a separate sample should be collected facilitate this stage. Store one part in a clean, dry,
from such barrels/drums. airtight bottle; the other part will be used in the
analyses and should be sufficient for all the tests
required.
Sample Preparation-Liquid Feed Ingredients:
1. The sample collected in buckets from each FUnless the method of analysis indicates otherwise,
compartment should be transferred to separate materials should be ground at once and passed
sample containers. (250 ml each) through a 1 mm screen; mix the sifted sample
2
thoroughly and store in an airtight container. Before
2. Each compartment sample should be maintained
and analysed separately taking material for each analysis, mix again.
FLiquid and semi-liquid samples must be stored in
3. Only one Lab reference number should be given to
the particular vehicle. sealed bottles and mixed well before being
analyzed.

SAMPLE STORAGE:
1. The feed and raw material samples should be
stored for minimum one month period from the date
of sample preparation.

Prepared by : Approved by :
41 Director - Technical