BES CAS 10191-18-1 Soflik >99,5% (Titratsiya) Biologik tampon ultrasof zavodi
Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer and supplier of BES (CAS: 10191-18-1) with high quality, commercial production. Welcome to order. E-mail: alvin@ruifuchem.com
Kimyoviy nomi | N, N-Bis (2-gidroksietil)-2-aminoetansulfonik kislota |
Sinonimlar | BES |
CAS raqami | 10191-18-1 |
CAT raqami | RF-PI1651 |
Birja holati | Stokda, ishlab chiqarish hajmi tonnagacha |
Molekulyar formula | C6H15NO5S |
Molekulyar og'irlik | 213.25 |
Brend | Ruifu kimyoviy |
Element | Texnik xususiyatlari |
Baho | Ultrasof |
Tashqi ko'rinish | Oq kristall kukun |
Soflik / Tahlil usuli | >99,5% (quritilgan asosda titrlash) |
Erish nuqtasi | 153,0 ~ 158,0 ℃ |
Suv (Karl Fisher tomonidan) | <0,10% |
Quritishdagi yo'qotish | <0,10% (105℃, 3 soat) |
Yonayotganda qoldiq | <0,10% |
Og'ir metallar (Pb sifatida) | <5 ppm |
Eruvchanlik | Rangsiz va tiniq (20 ℃ da H2O eriydi 1M) |
A260nm (1M, H2O) | <0,095 |
A280nm (1M, H2O) | <0,080 |
pH (suvda 1,0% 25℃) | 2,5 ~ 5,0 |
pKa | 6,9~7,3 |
Foydali pH diapazoni | 6,4 ~ 7,8 |
Fe | <5 ppm |
Cu | <5 ppm |
Xlorid (Cl) | <0,05% |
Sulfat (SO42-) | <0,005% |
Al | <5 ppm |
Infraqizil spektr | Strukturaga mos keladi |
X-nurlarining diffraksiyasi | Strukturaga mos keladi |
Sinov standarti | Korxona standarti |
Foydalanish | Biologik bufer;Biologik tadqiqotlar uchun yaxshi bufer komponenti |
Paket: Shisha, alyuminiy folga sumkasi, 25 kg / karton baraban yoki mijozning talabiga binoan.
Saqlash holati:Salqin va quruq joyda yopiq idishlarda saqlang;Nur va namlikdan saqlang.
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BES (CAS: 10191-18-1) biokimyo va molekulyar biologiya tadqiqotlarida qoʻllaniladigan zvitterionik buferdir.Bu biokimyoviy tadqiqotlar uchun keng qo'llanilishi uchun 1960-yillarda ishlab chiqilgan "Yaxshi" buferlardan biridir.BES buferi kaltsiy fosfat-DNK kompleksi hosil bo'lishi kerak bo'lgan tizimlarda foydalanish uchun javob beradi.BES biologik tajribalarda eritmalarning pH darajasini saqlab turish uchun bufer sifatida ishlatiladi.BES diagnostik tahlil ishlab chiqarish sanoati uchun foydalidir.BES sulfonatlangan poliimid membranalarda sulfonlangan poliimid zanjirlari orasidagi o'zaro bog'lanishni keltirib chiqaradi.BES heterometalik CuII/Li 3D koordinatsion polimerlarining suvli muhitini o'z-o'zini yig'ishini tekshirish uchun biobufer vazifasini bajaradi.
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