L-精氨酸盐酸盐 AJI92

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L-精氨酸盐酸盐 AJI92

CAS NO.: 1119-34-2

Test ItemsLimit

 Identification[α]20D

conforms 20

Specific rotation

+22.1o to +22.9o

State of solution

clear and colorless

not less than 98.0%

Chloride (Cl)

16.58 to 17.00%

Ammonium (NH4)

not more than 0.02%

Sulfate (SO4)

not more than 0.020%

Iron (Fe)

not more than 10ppm

Heavy metals (Pb)

not more than 1ppm

Arsenic (As2O3)

not more than 1ppm

Other amino acids

conforms

Loss on drying

not more than 0.20%

Residue on ignition (sulfated)

not more than 0.10%

Assay

99.0% to 101.0%

pH

4.7 to 6.2

上一个: L-精氨酸EP5