L-Proline CAS 147-85-3 (H-Pro-OH) Assay 98.5~101.0% Factory High Quality

L-Proline (H-Pro-OH) (CAS: 147-85-3) AJI 97 Hana Ho'āʻo
ʻIke: E hoʻohālikelike i ka spectrum absorption infrared o ka hāpana me ke ʻano maʻamau ma ke ʻano pāpaʻi pāpaʻi bromide.
Ka Poʻe Kūikawā [α]20/D: Laʻana Māloʻo, C=4, H2O
Moku'āina o ka Solution (Transmittance): 1.0g i 10ml o H2O, spectrophotometer, 430nm, 10mm ka mānoanoa pūnaewele.
Klorida (Cl): 0.7g, A-1, ref: 0.40ml o 0.01mol/L HCl
Ammonium (NH4): B-1
Sulfate (SO4): 1.2g, (1), ref: 0.50ml o 0.005mol/L H2SO4
Hao (Fe): 1.5g, ref: 1.5ml o Iron Std.(0.01mg/ml)
Nā Metala Kaumaha (Pb): 2.0g, (1), ref: 2.0ml o Pb Std.(0.01mg/ml)
Arsenic (As2O3): 2.0g, (1), ref: 2.0ml o As2O3 Std.
Nā ʻAmino ʻē aʻe: Laʻana Hoʻāʻo: 30μg, B-6-a
Nalo ma ka maloʻo: ma 105 ℃ no 3 mau hola.
Ho'āʻo: Lapana maloʻo, 120mg, (1), 3ml o ka waika formic, 50ml o ka ʻakika glacial acetic, 0.1mol/L HCLO4 1ml=11.513mg C5H9NO2
Ho'āʻo pH: 1.0g i 10ml o H2O

L-Proline (H-Pro-OH) (CAS: 147-85-3) USP35 Hana Hana
HOAKAKA
Loaʻa i ka Proline ka NLT 98.5% a me ka NMT 101.5% o L-Proline (C5H9NO2), i helu ʻia ma ke kumu maloʻo.
IKE
A. KA PALAPALA INFRARED <197K>
HANA
HANA
Laʻana: 110 mg o Proline
Palekana: Hoʻohui i 3 mL o ka ʻakika formic a me 50 mL o ka ʻakika acetic glacial.
Pūnaehana Titrimetric
(E nānā i ka Titrimetry <541>)
Ke ʻano: Hoʻohālikelike pololei
Titrant: 0.1 N perchloric acid VS
ʻImi hope: Potentiometric
Nānā: E hoʻoheheʻe i ka Laʻana i 3 mL o ka waika formic a me 50mL o ka ʻakika acetic glacial.Titrate me ka Titrant.Hana i ka hoʻoholo Blank.
E helu i ka pākēneka o Proline (C5H9NO2) i ka Laʻana i lawe ʻia:
Ka hopena = {[(VS-VB) x N x F]/W} x100
VS = ka nui o ka Titrant i hoʻopau ʻia e ka Laʻana (mL)
VB= ka nui o ka Titrant i hoʻopau ʻia e ka Blank (mL)
N= ka mea maʻamau maoli o ka Titrant (mEq/mL)
F= helu kaulike, 115.1 mg/mEq
W= Kaumaha laʻana (mg)
Nā pae hoʻoholo: 98.5% ~ 101.5% ma ke kumu maloʻo
NA mea haumia
KOE MA KA HANA <281>: NMT 0.4%
KLORIDA A ME SULFATE, Klorida <221>
Haʻina maʻamau: 0.50mL o 0.020 N waikona hydrochloric
Laʻana: 0.73g o Proline
Nā pae ʻae ʻae: NMT 0.05%
KLORIDA A ME KA SULFATE, Sulfate <221>
Haʻina maʻamau: 0.10mL o 0.020 N sulfuric acid
Laʻana: 0.33g o Proline
Nā pae ʻae ʻae: NMT 0.03%
HAAWINA <241>: NMT 30ppm
NA METAL KAUHA, Keʻano I <231>: NMT 15ppm
NA PUNA PILI
Haʻina kūpono ʻōnaehana: 0.4mg/mL kēlā me kēia o USP L-Proline RS a me USP L-Threonine RS i 0.1 N hydrochloric acid
Haʻina maʻamau: 0.05mg/mL o USP L-Proline RS i loko o 0.1 N hydrochloric acid.[NOTE-He hoʻopaʻa koʻikoʻi kēia me ka 0.5% o ka hopena Laʻana.]
Laʻana hoʻonā: 10mg/mL o Proline i ka 0.1 N hydrochloric acid
Pūnaehana Chromatographic
(E nana Chromatography <621>, Thin-Layer Chromatography.)
Ke ano: TLC
Adsorbent: 0.25-mm papa o ka huila silica gel chromatographic
Nui noi: 5μL
Ke kūkulu nei i ka ʻōnaehana solvent: Butyl alcohol, glacial acetic acid, a me ka wai (3:1:1)
Pahu mea hoʻoponopono: 2 mg/mL o ninhydrin i loko o ka hui ʻana o ka butyl alcohol a me 2N acetic acid (95:5)
Kūpono ʻōnaehana
Nā koi kūpono: Hōʻike ka chromatogram o ka ʻōnaehana kūpono i nā wahi ʻelua i hoʻokaʻawale ʻia.
Kānāwai
Nā Laʻana: ʻO ka hoʻonā kūpono o ka ʻōnaehana, ka hoʻonā maʻamau, a me ka hopena laʻana.
Ma hope o ka hoʻomaloʻo ʻana i ka ea, e kāpī me ka Spray reagent, a wela ma waena o 100 ° a me 105 ° no 15 min.E nānā i ka pā ma lalo o ke kukui keʻokeʻo.
Paʻa ʻae ʻia: ʻAʻole ʻoi aku ka nui a ʻoi aku ka ikaika o nā wahi lua o ka solution Sample ma mua o ka wahi nui o ka solution Standard.
Nā haumia o kēlā me kēia kanaka: NMT 0.5%
Huina haumia: NMT 2.0%
NA HOAO KUAI
KA HOʻOLOLI OPTICAL, Hoʻololi kikoʻī <781S>
Haʻina hoʻohālike: 40 mg/mL i ka wai
Nā mea e ʻae ai: -84.3° i -86.3°
LOSSON DRYING <731>: Hoʻomaloʻo i kahi laʻana ma 105 ℃ no 3 mau hola: nalowale NMT 0.4% o kona kaumaha.
NA KOI HOU
PACKAGING a me ka mālama ʻana: mālama i loko o nā pahu paʻa maikaʻi.
USP REFERENCE STANDARD <11>
USP L-Proline RS
USP L-Threonine RS