Norfloxacin

Glycine

Taurine

Item	GB-14759-93	JP8
Assay	≥98.5%	≥98.5%
Clarity of solution	≤0.5 creation	clear
Readily carbonizable substances	colorless	colorless
Sulplate	≤ 0.014%	≤ 0.014%
Chloride	≤ 0.011%	≤ 0.011%
Heavy metals	≤ 0.002%	≤20ppm
Ammonium	≤ 0.02%	≤200ppm
Arsenic	0.0002%	2ppm
Loss in drying	0.2%	0.2%

L -Phenylalanine
Item                                                Specification                     Result
Specific rotation                               -33.0 ° to –35.0°                -33.2°
Transmittance Clear and colorless     ≥98.0%                            99.0%
Chloride                                           ≤0.02%                           Conform    
Ammonium                                      ≤0.02%                            Conform
Sulfate                                             ≤0.02%                            Conform
Iron                                                  ≤10ppm                           Conform
Heavy metals                                    ≤10ppm                           Conform
Arsenic                                            ≤1.5ppm                          Conform
Other amino acids                            Chromatographically Not detectable    Conform
Loss on drying                                  ≤0.20%                            0.17%
Residue on ignition                            ≤0.10%                           0.05%
Assay                                              ≥98.5%                            98.87%
PH                                                   5.4 - 6.0                           5.87

L-Alanine
Item                                                Specification                            Result
Specific rotation                               +14.3 °to +15.2°                       +14.5°
Transmittance                                  ≥98.0%                                   98.6%
Chloride                                           ≤0.02%                                   <0.02%
Ammonium                                      ≤0.02%                                   <0.02%
Sulfate                                             ≤0.02%                                  <0.02%
Iron                                                 ≤0.001%                                 <0.001%
Heavy metals                                  ≤0.001%                                  <0.001%
Arsenic                                          ≤0.0001%                                 <0.0001%
Other amino acids                          Chromatographically Not detectable      Conform
Loss on drying                                ≤0.20%                                      0.12%
Residue on ignition                          ≤0.10%                                      0.07%
Assay                                            99.0-101.0%                               99.1%
PH                                                 5.7-6.7                                       6.1

L-Aspartic Acid

Item	Specification	Result
Specific rotation	+24.8 °to +25.8°	+25.1°
Transmittance	≥98.0%	98.6%
Chloride	≤0.02%	<0.02%
Ammonium	≤0.05%	/
Sulfate	≤0.03%	<0.03%
Iron	≤10ppm	<10ppm
Heavy metals	≤10ppm	<10ppm
Arsenic	≤1ppm	<1ppm
Other amino acids	Chromatographically Not detectable	Conform
Loss on drying	≤0.2%	0.11%
Residue on ignition	≤0.1%	0.07%
Assay	98.5-100.0%	99.1%
PH	2.5-3.5	2.9

L-Lysine Monohydrochloride

Item	Fodder grade	Medicine grade
Appearance	A white or nearly white free-flowing crystalline	A white or nearly white free-flowing crystalline
Assay	98.5-101.5 %	99.0～100.5%
Arsenic	0.0002%	0.0001%
Heavy metals	0.001%	0.001%
Transmittance	95.0%	98.0%
Loss on drying	0.6	0.4
Residue on ignition	0.2%	0.1%
Chloride	0.02%	0.02%
Sulfate	0.02%	0.028%
Ammonium	0.02%	0.02%
Other amino acids	Not detectable	Not detectable
PH value(10% in water)	5.0-6.0	5.0-6.0

L-Cysteine

Item	Specification
Appearance	White crystalline powder
Assay	98.5-102.0 %
Specific rotation	+5.5°～+7.0°
Transmittance	98.0%
Heavy metals	0.001%
Arsenic	0.0001%
Loss on drying	8.5-12.0%
Residue on ignition	0.1%
Chloride	19.82-0.29%
Sulfate	0.02%
Iron	0.001%
Other amino acids	10ug

L-Cysteine HCL MONO

Item Assay Specific rotation Transmittance Heavy metals Arsenic Loss on drying Residue on ignition Chlorine content Sulfate salt Iron Other amino acids

Specification 98.5-102.0 % +5.5°～+7.0° 98.0% 0.001% 0.0001% 8.5-12.0% 0.1% 19.82-0.29% 0.02% 0.001% 10ug

L-Cysteine hydrochloride anhydrous

Item Appearance Assay Specific optical rotation Loss on drying Transmittance Arsenic Residue on ignition PH value

Specification White crystalline powder 98.5-102.0 % +5.6°～+8.9° ≤0.01% 98.0% 0.001% <0.001% 0.5-2.0

DL-Alanine

Item Appearance Assay Transmittance PH value (5% in water) Heavy metal（as Pb） Arsenic(as As2O3) Loss on drying Residue on ignition Chloride(as Cl)

Specification White crystalline powder 98.5-101.5 % ≥95.0% 5.5-7.0 ≤0.002% ≤0.0004% ≤0.2% ≤0.1% ≤ 0.02%

DL-Methionine

Item Appearance Assay Transmittance(10%,in water) Ph value Heavy metal（as Pb） Iron Arsenic(as As2O3) Loss on drying Residue on ignition Other Amino acids

Specification White crystalline platelets or powder 98.5-101.5 % 98.0% 5.6～6.1 ≤0.001% ≤0.001% ≤0.0001% ≤0.3% ≤0.1% Conforms

Ascorbic Acid

TEST Description Identification Melting point PH Clarity Color of solution Heavy metals Ferrite Copper salt Oxalic Acid Residue on ignition Specific rotation Organic volatile impurity Assay

SPECIFICATION White crystalline powder Positive Around190℃ 2.1-2.6 Conforms ≤BY7 ≤10ppm ≤2ppm ≤5ppm ≤0.2% ≤0.1% +20.5°to +21.5° Conforms 99.0-100.5%

RESULT Conforms Positive 191.0℃ 2.2 Conforms ≤BY7 ≤10ppm ≤2ppm ≤5ppm ≤0.2% 0.02% +21.05° Conforms 99.70%

Sulphadimidine

TEST Characteristics Identification Pass in Pass in positive reaction Melting point Acidity Clarity and color of solution Heavy metals Related substances Loss on drying Residue on ignition Assay

SPECIFICATION White or almost white crystalline powder 197-200℃ ≤0.1mol/L NaOH 0.2ml ≤Y5BY5GY5 ≤20ppm ≤0.5% ≤0.5% ≤0.1% 99.0-101.0%

RESULT Conforms Positive reaction 198-199.2℃ <0.2ml < Y5BY5GY5 <20ppm <0.5% 0.1% 0.16% 99.78%

Paracetamol

TEST Characteristics Solubility Identification Melting range Chloride Sulfate Sulfide Readily carbonizable substances Freeр-aminophenol Related substances Water Residue on ignition OVI Assay Heavy metals

STANDARD A white crystalline powder Sparingly soluble in water,freely soluble in alcohol,very slightly soluble in ether and in methylene chloride Conforms 168-172℃ ≤0.014% ≤0.02% No coloration or spelling occurs Conforms ≤0.005% Conforms ≤0.5% ≤0.1% Meets the requirements 99.0-101.0% ≤0.001%

RESULT Conforms Conforms Conforms 169-170℃ <0.014% <0.02% Conforms Conforms <0.005% Conforms 0.05% 0.04% Conforms 99.9% <0.001%