Physical and chemical specification
Assay(IMP+GMP)/(%) 97.0-102.0 98.8
IMP/(%) (mixed proportion) 48.0-52.0 49.6
GMP/(%) (mixed proportion) 48.0-52.0 50.4
Loss on drying/(%) ¡Ü25.0 22.58
Transmittance of 5% solution/(%) ¡Ý95.0 98.0
PH(5% solution) 7.0-8.5 8.0
Other nucleotides Not detectable Not detectable
Amino acid Comply with Comply with
NH4+(ammonium) Comply with Comply with
Hygiene specification
Arsenic(As2O3)/(mg/kg) ¡Ü1 <1
Heavy metals(Pb)/(mg/kg) ¡Ü10 <1
MSG(MONOSODIUM GLUTAMATE) SPECIFICATION:
CERTIFICATE OF ANALYSIS

COMMODITY MONOSODIUM GLUTAMATE BATCH NUMBER SHE070701
PRODUCING DATE JULY 28, 2007 QUANTITY SAMPLE
EXPIRY DATE JULY 28, 2009 TEST DATE JULY 28, 2007
TEST ACCORDING GB/T 8967/2000
TEST RESULTE
SERIAL NUMBER TEST ITEM STANDARD RESULT
1 Appearance white crystal with typical flavor Eligible
2 Assay, % ¡Ý99.00 ¡Ý99.24
3 Chloride(cl), % ¡Ü0.10 <0.10
4 Less on drying, % ¡Ü0.50 0.13
5 Sulphate(so 4 2- ), % ¡Ü0.05 <0.05
6 Transmittance, % ¡Ý98.00 98.5
7 Specific Rotation[a] D 20 +24.9¡ª+25.3 +24.9
8 Heavy Metals(Pb), ppm ¡Ü10.00 <10.00
9 Iron(Fe), ppm ¡Ü5.00 <5.00
10 Arsenic(As), ppm ¡Ü0.50 <0.20
11 PH 6.7¡ª7.2 6.9
12
13
14 Assess Eligible
CHECKER ASSESSOR