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Glacial

Glacial

1. Pertaining to ice or to its action; consisting of ice; frozen; icy; especially, pertaining to glaciers; as, glacial phenomena.

2. (Science: chemistry) Resembling ice; having the appearance and consistency of ice; said of certain solid compounds; as, glacial phosphoric or acetic acids.

(Science: chemistry) glacial acid see glacier theory, under glacier.

Origin: L. Glacialis, from glacies ice: cf. F. Glacial.


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Prep. of 50X TAE buffer

... the follwoing: To make 1L of 50x TAE buffer: 242g Tris 100mL of 0.5M EDTA: This is prepared by (In 100 ml 1X PBS, Add 73.2 gram of EDTA) 57.1mL Glacial Acetic Acid Add enough MQ H2O to dissolve solids to final volume of 1000mL. Is my work right??? The pH of PBS is about 7.6, Is this Ok for TAE ...

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by roniadam
Sat May 02, 2009 9:29 am
 
Forum: Molecular Biology
Topic: Prep. of 50X TAE buffer
Replies: 7
Views: 2057

Why the pH value decreased seriously in my algal culture?

... 2X Filner’s Beijernicks Solution 25ml 1M Potassium Phosphate 1ml Trace mineral solution or 5ml P IV solution 2X (see SVM) 3ml Tris-Base 2.42g Glacial Acetic Acid (17.4 mM acetate) 1ml (pH should be 7.2) Stock solutions: 2X Filner’s Beijernicks Solution (500 ml) NH4Cl 8g CaCl2 * 2H2O 1g MgSO4 ...

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by onlinebunny
Wed Mar 04, 2009 11:19 am
 
Forum: Microbiology
Topic: Why the pH value decreased seriously in my algal culture?
Replies: 1
Views: 545

Why the pH value decreased seriously in my algal culture?

... 2X Filner’s Beijernicks Solution 25ml 1M Potassium Phosphate 1ml Trace mineral solution or 5ml P IV solution 2X (see SVM) 3ml Tris-Base 2.42g Glacial Acetic Acid (17.4 mM acetate) 1ml (pH should be 7.2) Stock solutions: 2X Filner’s Beijernicks Solution (500 ml) NH4Cl 8g CaCl2 * 2H2O 1g MgSO4 ...

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by onlinebunny
Wed Mar 04, 2009 7:49 am
 
Forum: Botany Discussion
Topic: Why the pH value decreased seriously in my algal culture?
Replies: 0
Views: 499

Age of Man

Consider Glacial flooding. http://en.wikipedia.org/wiki/Glacial_lake_outburst_flood

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by MichaelXY
Wed Jan 30, 2008 10:24 pm
 
Forum: Evolution
Topic: Age of Man
Replies: 31
Views: 4100

Making sodium acetate

... found for making 1 L of 3M sodium acetate pH 5.2 goes as follows: - Dissolve 408.3 g sodium acetate-3H2O in 800 mL water. - Adjust pH to 5.2 with glacial acetic acid. - Adjust to 1 L with water. - Autoclave. I only wanted to make 100 mL so I dissolved 40.83 g in 80 mL and the volume was already ...

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by biznatch
Tue Nov 20, 2007 7:37 pm
 
Forum: Molecular Biology
Topic: Making sodium acetate
Replies: 0
Views: 560
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