D-Serine CAS 312-84-5 HD-Ser-OH Assay 99.0~101.0% Factory High Quality

Te waikawa pH
Tangohia kia 0.30 karamu o tenei hua, tapirihia he 30ml wai kia memeha, ka ine kia rite ki te ture (Ture Whanui 0631).Me 5.5~6.5 te uara pH.
Whakawhitinga o te Otinga
tangohia 1.0g o tenei hua, tāpiri wai 20ml ki te memeha, rite ki te ultraviolet-kitea spectrophotometry (General ture 0401), whakatau i te tuku i te roangaru o 430mn, kaua e iti iho i te 98.0%.
pūhaumāota
Tangohia kia 0.25 karamu o tenei hua ka tirohia i runga i te ture (Ture Whanui 0801).Ka whakatauritea ki te otinga whakahaere i mahia mai i te 5.0 ml o te wairewa konutai konutai paerewa, kaua e nui ake te aro (0.02%).
pūkawa
Tangohia te 1.0g o tenei hua ka tirohia i runga i te ture (Ture Whanui 0802).Ka whakatauritea ki te otinga whakahaere i mahia mai i te 2.0 ml o te otinga konupora konukawata paerewa, kaua e nui ake te aro (0.02%).
Te tote haukinia
tangohia te 0.10g o tenei hua ka tirohia i runga i te ture (Ture Whanui 0808).Ka whakatauritea ki te otinga whakahaere i mahia mai i te 2.0 ml o te wairewa haukinia haukinia paerewa, kaua e hohonu ake (0.02%).
Ētahi atu waikawa Amino
Tangohia he nui e tika ana o tenei hua, tapirihia he wai ki te memeha me te waimeha ki te hanga i tetahi otinga kei roto mo te 20mg mo ia lml hei otinga whakamatautau;Tangohia te 1ml mo te inenga tika, ka maka ki roto i te ipu ine 200ml, waimeha ki te tauine ki te wai, ruru pai, hei otinga mana;Tangohia te nui o te tohutoro serine me te tohutoro methionine, ka tuu ki roto i te ipu ine kotahi, ka tapirihia te wai kia memeha ka waimeha hei whakarite i tetahi otinga kei roto tata ki te 0.4mg ia 1ml hei otinga e tika ana mo te punaha.E ai ki te whakamatautau chromatography paparanga angiangi (General 0502), mimitihia nga otinga e toru i runga ake i ia 5 u1, i runga i te pereti paparanga angiangi silica gel G, me te waikawa acettic n-butanol-wai-glacial (3:1:1) mo te whakawhanaketanga, i muri i te horahanga, whakamaroke-a-rangi, te rehu ki te ninhydrin i roto i te wairewa acetone (1-50), whakamahana i te 80°C kia puta nga waahi, me te tirotiro tonu.Ko te otinga whakahaere me whakaatu he waahi marama, me te otinga e tika ana ma te punaha e whakaatu kia rua nga waahanga kua wehea.Mena ka whakaatuhia e te otinga whakamatautau nga waahi poke, kaua te tae e hohonu ake (0.5%) i te waahi matua o te otinga whakahaere.
Ngaronga i te whakamaroke
tangohia tenei hua, whakamaroke i te 105 ℃ mo te 3 haora, ko te mate taimaha kaua e neke ake i te 0.2% (Ture Whanui 0831).
Te toenga i runga i te mura
Kaua e neke ake i te 0.1% (Ture whanui 0841).
Tote rino
Tangohia te 1.0g o tenei hua ka tirohia i runga i te ture (Ture Whanui 0807).Ki te whakatauritea ki te otinga whakahaere i hangaia ki te 0.001% o te wairewa rino paerewa, kaua e hohonu ake ().
Nga Korewa Taamaha
Tangohia te 2.G o tenei hua, taapirihia te 23ml wai kia memeha, taapirihia te 2ml o te acetate buffer (pH3.5), ka tirohia kia rite ki te ture (te ture tuatahi o nga ture whanui 0821), kei roto nga konganuku taumaha kaua e neke atu i te 10 nga waahanga. ia miriona.
Tote Arsenic
Tangohia tenei hua 2. G, tāpiri wai 23ml rewa, tāpiri waikawa pūhaumāota 5ml, kia rite ki te tirohanga ture (General Principles 0822 ture tuatahi), me ū ki nga tikanga (0.0001%).
Endotoxin huakita
Tangohia tenei hua, tirohia kia rite ki te ture (General 1143), ko te nui o te endotoxin i ia lg serine kia iti iho i te 12EU.(Mo te werohanga)
312-84-5 - Whakatau Ihirangi
Tangohia tenei hua e pā ana ki te 0.1g, te pauna tika, tāpirihia te waikawa formic anhydrous 1 ml ki te memeha, tāpiri waikawa acetic glacial 25ml, kia rite ki te tikanga titration potentiometric (General 0701), ki te wairewa titration waikawa perchloric (0.1 mol/L) titration, me i whakatikahia nga hua o te titration me te whakamatautau patea.Ia 1 ml o te wairewa titration waikawa perchloric (0.1 mol/L) e rite ana ki te 10.51 mg o C3H7N03.