Hey guys ,
i have been looking through the tris powder in my lab. particularly those from a particular manufacturer. it appears that the tris powder itself is somewhat yellowish.
an undergrad student make a 50X tae buffer with it and holy smoke, the whole buffer is yellowish...
should that be a concern?
is there any explaination to why the tris powder is yellowish. as far as i am concerned it should be white.
Submit your paper to J Biol Methods today!
3 replies to this topic
#1
hanming86
-
- Active Members
-
- 156 posts
Veteran
2
Neutral
Neutral
Posted 30 January 2010 - 03:59 AM
Lab + Coffee + Music = Bliss
#2
newbie99
-
- Active Members
-
- 17 posts
member
0
Neutral
Neutral
Posted 30 January 2010 - 10:55 AM
Hey guys ,
i have been looking through the tris powder in my lab. particularly those from a particular manufacturer. it appears that the tris powder itself is somewhat yellowish.
an undergrad student make a 50X tae buffer with it and holy smoke, the whole buffer is yellowish...
should that be a concern?
is there any explaination to why the tris powder is yellowish. as far as i am concerned it should be white.
first read the MSDS that came with this chemical. anywhere mention "yellow crystal powder?" if not, contact the manufacturer or the company you ordered it from.
#3
mdfenko
-
- Active Members
-
- 3,368 posts
an elder emeritus
216
Excellent
Excellent
Posted 01 February 2010 - 07:28 AM
the powder should not be yellow. it is contaminated. either you purchased a poor quality grade or it decomposed in storage. either way i would not trust it.
as newbie99 said, check the data sheet that came with it.
as newbie99 said, check the data sheet that came with it.
talent does what it can
genius does what it must
i used to do what i got paid to do
#4
arera
-
- Active Members
-
- 18 posts
member
2
Neutral
Neutral
Posted 04 May 2010 - 08:48 PM
Please check the expiry date as well..
