Sodium copper chlorophyllin CAS NO.28302-36-5

characteristics

dark green fine powder

identification

absorptance

568min

assay

100%min

ratio（a405/a630)

3.0~3.9

other compeonents

content of total copper

not less than 4.25%

content of chelated copper

not less than 4.0%

content of sodium

5.0%~7.0% on dried basis

nitrogen determination

not less than 4.0%

impurities

limit of ionic count

not more than 0.25% on dried basis

residue on ignition

not more than 30%on dried basis

arsenic

not more than 3ppm

lead

not more than 10ppm

iron

not more than 0.50%

total plate count

nmt1000cfu/g

yeast

nmt 100cfu/g

mould

nmt 100cfu/g

salmonella

negative

e.coli

negative

ph

9.5~10.7 (in a solution 1 in 100）

loss on drying

not more than 0.5%（ at 105℃ for 2 hours）

test for fluorescence

no fluorescence is visible