4-Hydroxycoumarin CAS 1076-38-6 Tsafta > 99.0% (HPLC)

4 Hanyar gwaji
4.1 Bayyanar (duba gani)
4.2 Asarar bushewa
4.3 Ƙaddamar da abun ciki na 4-Hydroxycoumarin
4.3.1 Hanyar ƙaddara
Samfuran an narkar da su a cikin lokacin wayar hannu kuma an ƙaddara ta babban aikin chromatography na ruwa akan ginshiƙi na C18 ta hanyar daidaita yanayin yanki mafi girma.
4.3.2 Reagent
a) Acetonitrile: chromatographic tsarki (shigo da shi);
b) Ruwa: Ruwan da aka ɗora ko na biyu na distilled ruwa.
4.3.3 Kayan aiki
a) Babban aikin chromatography ruwa;
b) UV-daidaitacce spectrometer zango;
c) Shafi na nazari: C18 shafi;
d) Ultrasonic oscillators.
4.3.4 Chromatographic yanayin aiki
a) Lokacin wayar hannu: acetonitrile: ruwa: phosphoric acid = 700: 300: 1 (V / V / V);
b) Yawan gudu: 1.0ml/min;
c) Yanayin zafin jiki: zafin jiki;
d) Tsawon Gane: 254nm
e) Girman samfurin: 20μL
4.3.5 Shiri na gwajin maganin
Yi la'akari da samfurin 20mg (daidai zuwa 0.002g), sanya shi a cikin kwalban volumetric na 25ml, narke shi tare da lokaci na hannu a cikin 4.2.4 a) zuwa sikelin, girgiza shi da kyau a cikin wani ultrasonic shaker don amfani da baya.
4.3.6 Ƙaddamar da abun ciki
A ƙarƙashin yanayin 4.3.4 a sama, za a ƙayyade maganin gwajin bayan an daidaita kayan aiki.
4.3.7 Lissafi
An yi amfani da hanyar daidaita yanki mafi girma don ƙididdige sakamakon.
4.3.8 Halaltacciyar karkatacciyar hanya
Sabanin ma'auni biyu bai wuce 0.5% ba, kuma ana ɗaukar matsakaicin ƙima a matsayin sakamakon gwaji.
4.4 Ƙaddamar da wurin narkewa.
5 Dokokin dubawa
5.1 Kowane nau'in samfura za a gwada su ta sashen duba ingancin bisa ga abubuwan da ke cikin wannan ma'aunin kafin barin masana'anta.
5.2 Ƙaddamar da batches
Batch na samfurori da aka samar ta hanyar adadin ciyarwa (kimanin 200kg).
5.3 Samfur
An zaɓi jakunkuna biyu (ganguna) ba da gangan ba daga marufin kowane nau'in samfuran.Bayan an yi samfurin kuma a haɗa su daidai, sai a raba su zuwa 50g ta hanyar sassa huɗu, an raba su kashi biyu, ɗaya daga cikinsu ana yin gwaji, ɗayan kuma a ajiye shi don tunani.
5.4 Shawara
Za a gwada kowane rukuni na samfuran bisa ga buƙatun da aka tsara a cikin wannan ma'auni.Idan wani abu ya kasa cika buƙatun da aka gindaya a cikin wannan ma'auni, za a bar shi ya sake gwadawa ta hanyar samfuri biyu.Idan har yanzu akwai abu ɗaya da ya kasa cika buƙatun da aka gindaya a cikin wannan ma'auni, za a yanke hukuncin rashin cancantar rukunin samfuran.
5.5 Hukunci
Mai amfani yana da haƙƙin gudanar da binciken karɓuwa a cikin kwanaki 15 bayan karɓar kayan bisa ga tanadin wannan ma'auni.Idan akwai wata ƙiyayya mai inganci, ɓangarorin biyu za su iya yin shawarwari don daidaita shi, ko kuma ba wa hukumar sasantawa ta doka da bangarorin biyu suka amince ta gudanar da sulhu bisa ga tanadin wannan ma'auni.
6 Lakabi da lakabi
Za a liƙa alamomi masu zuwa a cikin kunshin samfurin:
a) Sunan samfur;
b) Daidaitaccen lamba;
c) Nauyin net;
d) Kwanan samarwa ko lambar tsari;
e) Suna da adireshin masana'anta;
f) Rayuwar rayuwa.