Prix FOB
Obtenir le dernier prix( Negotiable )
|25 Kilogram Minimum Order
Pays:
China
N ° de modèle:
DS-SW001
Prix FOB:
( Negotiable ) Obtenir le dernier prix
Localité:
hubei china
Prix de commande minimale:
-
Commande minimale:
25 Kilogram
Packaging Detail:
25kg / barrel
Heure de livraison:
3-5 days delivery
Capacité de Fournir:
2000 Kiloampere per Day
Payment Type:
T/T, L/C, Western Union, PayPal
Groupe de produits :
-
Personne àcontacter jing zhao
Business Address:C8-2, Optics Valley United Technology City, Huarong District, Ezhou, Hubei
In biological experiments, we should often use biological buffer,
and in biological buffer, Tris is commonly used. As a widely used
biological buffer, many people should know the name, but some
people still don't know it. Let's take a look at the principle and
application of Tris.
Tris, also known as trimethylol aminomethane, is a white
crystalline powder with CAS number 77-86-1. Soluble in ethanol and
water, but also with ethyl acetate, but relatively slow, not with
ether, carbon tetrachloride, copper, aluminum corrosion.
Tris is widely used in acute metabolic and respiratory acidemia,
which is an alkaline buffer. It has a good buffer effect on
metabolic acidosis and enzyme activity reaction, and may cause
hypoglycemia, hypotension, nausea and vomiting. It can even inhibit
breathing and stop breathing. Excessive intake or renal
insufficiency can cause alkalescence. When Tris and acid titration
reference materials are used, the purity requirement will be very
high, basically 99.9% - 100%
Because Tris is weakly alkaline, PKA is 8.1 when the temperature is
below 25 ℃, but according to the buffer theory, its effective
buffer range is between ph7.0-9.2. The pH value of Tris aqueous
solution is about 10.5, and hydrochloric acid is usually added to
adjust the pH value to the desired value, but the effect of
temperature on the pKa of Tris should also be noted. Because Tris
buffer is a weak alkaline solution, DNA will be deprotonated in the
solution, thus improving its solubility. Therefore, someone often
adds EDTA to Tris hydrochloric acid buffer to make te buffer, and
changes the solution adjusted by pH value to acetic acid to obtain
Tae buffer.
Desheng biochemical is a big producer of trimethylol aminomethane
in China. You can contact us if you need. Not only the product
quality is good, but also the price is very favorable!
| Pays: | China |
| N ° de modèle: | DS-SW001 |
| Prix FOB: | ( Negotiable ) Obtenir le dernier prix |
| Localité: | hubei china |
| Prix de commande minimale: | - |
| Commande minimale: | 25 Kilogram |
| Packaging Detail: | 25kg / barrel |
| Heure de livraison: | 3-5 days delivery |
| Capacité de Fournir: | 2000 Kiloampere per Day |
| Payment Type: | T/T, L/C, Western Union, PayPal |
| Groupe de produits : | - |
