shelflife calculation with q10 [compatibility mode]
TRANSCRIPT
![Page 1: Shelflife Calculation With Q10 [Compatibility Mode]](https://reader030.vdocuments.pub/reader030/viewer/2022020207/54fc71b54a795937538b5152/html5/thumbnails/1.jpg)
ก����������ก���ก �����(2)
ก������ �� ����
��������ก���ก�� ���.
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����������ก���ก ���ก��� Q10
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T+10
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Plot ก���������� ����ก����� a* �������� !ก���ก ���ก"� 30C #�� 40C
y = -0.0667x + 82
R² = 1
y = -0.1333x + 74
R² = 1
30
40
50
60
70
80
90
A* at 30c
A* at 40c
Linear (A* at 30c)
Linear (A* at 40c)
0
10
20
30
0 20 40 60 80 100 120 140 160 180 200
Linear (A* at 40c)
K ��� 30C=slope=0.0667K ��� 40C=slope=0.1333
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0.1333/0.0667=1.9985
1.9985
=1.9985 �กก�����1=1.9985 �กก�����1
365/1.9985
183 ���
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ก�������������$��%��!&'������()!ก!�!���*�� 1 �,
-ln(Ca/Ca0)=kt � ,�()!ก!�!�*����!� �#�-� 50 % 0���1�� * �2���3���1�#����� Ca=0.5 Ca0=1 ��4(5�' ก����4*-*����1
-ln (0.5/1) = kt0.5 t0.5= �����$��%��!&-(ln1/2-ln1) = kt0.5-(ln1/2-ln1) = kt0.5
-ln1/2+0= kt0.5
-ln1+ln2= kt0.5
0+ln2=ln (2) = kt0.5
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&����� '��&����$�� ������$��%��!&0�()!ก�!���*����$���(7� 100 �!���� 5�-���������������� (K) 0��&�� #��� ,�����8���4( 250 �!���� '����1���()!ก!�!�4(4�-ก���(�9�:�&9 �������� !����������$��
���&�Kt0.5 = ln(2) =0.693Kt = ln(2) =0.693
K=0.693t0.5
K= 6.93*10กก�����-3 Sec กก�����-1
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ก�������������$��%��!&
• -ln(Ca/Ca0) = Kt
• - ln(Ca/Ca0) =( 6.93/1000)*250
• -ln(Ca/Ca0) = 1.7325
• Exp ln(Ca/Ca )= Exp(-1.7325)1
• Exp ln(Ca/Ca0)= Exp(-1.7325)
• = 0.1768
• =17.68 %
• ����� �!"#ก#�#���� ����#�$!%�&� = 100-17.68 = 82.32 %
1
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ก������������ก���ก �<*ก��������ก��'��8������ %,1�
∂w/ ∂ t = (P/X) A(p1-p2)
∂w/ ∂ t=����'��$�� ��(�)�*�+*��,-�.�
P=permeability constant
X= �������'��,-�.�X= �������'��,-�.�
A= / �(�)+#�'��0�1��2����
P1=�������$�(�)�&����ก'��0�1��2����
P2=�������$�(�)�&��3�'��0�1��2����
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ก������������ก���ก �<*ก��������ก��'��8������ %,1�
• �4*�3� sheet