N-Acetyl-L-Methionine CAS 65-82-7 (Ac-Met-OH; NAM) Whakamātautau 99.0~100.5% Factory High Quality

N-Acetyl-L-Methionine (Ac-Met-OH; NAM) (CAS: 65-82-7) AJI97 Tikanga Whakamatau
Ko te N-Acetyl-L-Methionine, ina whakamaroke, kaua e iti iho i te 99.0 paiheneti, kaua hoki e neke ake i te 100.5 paiheneti o N-Acetyl-L-Methionine (C7H13NO3S).
Whakaahuatanga: Kiriata ma, paura tioata ranei, he kaha te reka o te waikawa
Wairewa (H2O, g/100g): 175 (40 ℃), 660 (60 ℃)
Tautuhinga: (1) Whakarewahia te 5mg o N-Acetyl-L-Methionine ki te 5ml wai.Taapirihia te 2ml o te 10% wairewa konutai waikawa ka wiri kaha, katahi ka tapirihia te 0.3ml o te wairewa konutai nitroferricyanide ka ruru ano.Tukua kia tu i te pāmahana i waenga i te 35 ℃ me te 40 ℃ mo te 10 meneti, whakamatao i roto i te pati hukapapa mo te 2 meneti, katahi ka tapirihia te 2ml o te waikawa puota waimeha ka wiri pai;ka puta he tae whero-papura.
Hurihuri Tau [α]20/D: Tauira maroke, C=2, H2O
State of Solution (Transmittance): 0.5g i roto i te 10ml o H2O, spectrophotometer, 430nm, 10mm te matotoru pūtau.
Nga Kourarahi (Pb): 1.0g, (1), ref: 2.0ml o Pb Std.(0.01mg/ml).Hanga kūpapa ki te 2ml o te wairewa haukini 10%.
Arsenic (As2O3): 1.0g, (1), ref: 2.0ml o As2O3 Std.
Ētahi atu waikawa Amino: Kaore he waahi.Tauira Whakamātautau: 10μg, G-2-a.Ko te tikanga kaore he waahi karekau e kitea nga waahi matua o etahi atu waahi.
Ngaronga i te whakamaroke: 300mg, methanol mo te tikanga Karl Fischer, B, mo te 30 meneti
Te toenga i runga i te mura (Sulfated): AJI Test 13
Te whakamatautau: Tauira maroke, 410mg, B, nakunaku mo te 6 haora.
pH: 1.0g i roto i te 10ml o H2O
Te rohe rokiroki me nga ahuatanga e taunakitia ana: Ko nga ipu kikii te pupuri i te pāmahana rūma whakahaere (1 tau).