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 SumGuy
addict
Registered: 07/26/01
Posts: 556
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 buying agar agar and gypsum 
#1081384 - 11/24/02 11:42 AM (15 years, 5 months ago) |
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My friend wants to know if the agar-agar he is buying is ok for a base to make agar formulations ... the description of the agar reads "for microbiology, powder" This was the only agar-agar product on the site that seemed to be what he's looking for other than one that reads "Bacteriological, Microbiologically, Plant cell culture, Flakes ". Which one should he get? Also is the chemical name for gypsum Calcium Sulfate?
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-SumGuy 
Edited by SumGuy (11/24/02 11:49 AM)
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Pinback
Stranger
Registered: 07/20/02
Posts: 785
Loc: Northern Europe
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Re: buying agar agar and gypsum [Re: SumGuy]
#1081429 - 11/24/02 12:15 PM (15 years, 5 months ago) |
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Either one is fine, but I would go with the powder.
Yes, gypsum is calcium sulfate.
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SumGuy
addict
Registered: 07/26/01
Posts: 556
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Re: buying agar agar and gypsum [Re: Pinback]
#1082212 - 11/24/02 06:54 PM (15 years, 5 months ago) |
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what is Bacteriological agar for?
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-SumGuy
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 DERRAYLD
Constructus
Registered: 05/13/02
Posts: 1,712
Loc: South Africa
Last seen: 9 years, 6 months
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Re: buying agar agar and gypsum [Re: SumGuy]
#1083219 - 11/25/02 01:30 AM (15 years, 5 months ago) |
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Bacteriological agar is normally the highest grade agar.
WHich means that when mixed it will generally be the clearest agar when solid.
This helps when it comes to viewing the mycelium or noticing contamination.
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Derrayld and out of control
Edited by DERRAYLD (11/25/02 01:31 AM)
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pleezr
fuct
Registered: 12/22/01
Posts: 1,708
Loc: NW
Last seen: 13 years, 3 months
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Re: buying agar agar and gypsum [Re: SumGuy]
#1083674 - 11/25/02 05:38 AM (15 years, 5 months ago) |
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It is for bacterial growth I would imagine.
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pleezr
"Tell me about the fucking golf shoes!!"
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