The following is used for Mcfarland Nephelometer Standards (Brium
chloride)
Standard # 1 3x10~8 cell/ml
0.16 - 0.20 OD
# 2 6
0.32 - 0.40
# 3 9
0.48 - 0.60
# 4 12
0.64 - 0.80
# 5 15
0.80 - 1.00
# 6 18
0.96 - 1.20
# 7 21
1.12 - 1.40
# 8 24
1.28 - 1.60
# 9 27
1.44 - 1.80
# 10 30
1.60 - 2.00
Not exact - but usefull...
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Robert Randolph I
Randolph Biomedical I Second Place
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