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紅外光譜鑒別Infrared spectrometry

符合

純度Purity

≥99% (NT) (TLC)

干燥損失Loss on drying

<0.2 %

重金屬Heavy metals (as Pb)

<10 ppm

灼燒殘渣Res. after ignition

<0.1 %

pH

5.6 ~ 6.1 (1% soln.25°C)

透光度Transmittance

>95 % (c=10, 2 N HCl, 430 nm) 1 cm cell

Cl

< 200 ppm

SO4

< 200 ppm

NH4

< 200 ppm

Fe

< 10 ppm

其它氨基酸Other amino acids

<0.2 % (TLC)

紅外光譜鑒別Infrared spectrometry

Conforms to Structure

純度Purity (Titration by HCL04)

98.50 - 101.50 %

水分Water (by Karl Fischer)

≤0.5 %

灼燒殘渣Residue on ignition (Ash)

≤0.1 %

砷Arsenic (As)

≤3 ppm

鎘Cadmium (Cd)

≤1 ppm

汞Mercury (Hg)

≤1 ppm

鉛Lead (Pb)

≤10 ppm