Sciencemadness Discussion Board
Not logged in [Login ]
Go To Bottom

Search
[Next Page]
What's the story with the Flint water?
There are many impurities in potable water depending on the source and treatment.

Langelier Satur ...
26-1-2016 at 14:10
by: feacetech
Purifying sulfuric acid
Technical grade isn't the same as drain cleaner?

drain cleaner will have inhibitors and other add ...
11-1-2016 at 16:00
by: feacetech
Filtering oils with Fuller's Earth - anyone with experience?
I use to use bleaching earth to bleach green tallow as a chemical test

the bleaching earth was a ...
11-1-2016 at 13:00
by: feacetech
3 step ultra pure water
Distill then pass through your choice of filters.

In the lab I take tap water pass it through a c ...
10-1-2016 at 17:31
by: feacetech
Does Chemistry have the answer? Cleaning fats/oils by boiling - strange reactions
So are you rendering viscera to get tallow. Or are you trying to clean up tallow.

If your making ...
20-12-2015 at 12:20
by: feacetech
Is concentrated HCl yellow?
I was thought it was Cl/Hypo contamination (I based this on absolutely nothing apart from colour) or ...
30-11-2015 at 18:51
by: feacetech
Stainless Steel resistance to acids
[rquote=427934&tid=64325&author=careysub] However, additions of ferric sulfate, copper sulfa ...
16-11-2015 at 12:53
by: feacetech
Stainless Steel resistance to acids
[rquote=427550&tid=64325&author=j_sum1]Chlorides (ie, HCl) lead to pitting of SS. Little ho ...
15-11-2015 at 17:29
by: feacetech
General Chimistry
It would generally be PVA, Poly Vinyl Acetate.
5-11-2015 at 17:01
by: feacetech
problem in making gun cotton
+2 for a TP test.

You could be getting too hot (but you would see a red discoloration) or your Ni ...
5-11-2015 at 16:37
by: feacetech
Tap water
Yea standing only removes the FREE Cl (and potentially increases by-products).

You forget what ch ...
2-8-2015 at 15:37
by: feacetech
Tap water
How is your towns water sourced.

If its from a river or other surface water, during the summer th ...
28-7-2015 at 13:58
by: feacetech
Brown ring test for Nitrate/Nitric acid in high SG liquids.
Worked fine with a positive control, after a while an alum ppt will form at the liquid interface.

...
1-4-2015 at 15:10
by: feacetech
Brown ring test for Nitrate/Nitric acid in high SG liquids.
I'm guessing it will be fine, I will try this test once I get some iron sulphate

unless anyone ha ...
29-3-2015 at 17:06
by: feacetech
Brown ring test for Nitrate/Nitric acid in high SG liquids.
Will this test work with Liquid Aluminium Aulphate (Alum)?

Some background below.

I ask this a ...
29-3-2015 at 12:47
by: feacetech
New to forum - Help testing boiler water
possibly CO2 absorption

the idea was to boil water for 10-15mins to drive off O2

then add trea ...
14-1-2015 at 23:42
by: feacetech
Best Acid that will get rid of rust quickest without harming iron?
Boiling in citric acid may work it is slow but will work.
12-1-2015 at 14:07
by: feacetech
New to forum - Help testing boiler water
Yea they are all non volatile.

Is ther any way you can stop the venting of steam and the resultin ...
12-1-2015 at 13:43
by: feacetech
New to forum - Help testing boiler water
I wouldnt use steam side protection then your helath is more important than some pipes and valves
12-1-2015 at 13:26
by: feacetech
New to forum - Help testing boiler water
I would add sodium sulphite as well as your tablets. Unlike Nirtite Sulphite only scvanges oxygen, b ...
12-1-2015 at 13:03
by: feacetech
New to forum - Help testing boiler water
technically its a better metal passivator. It will consume some oxygen but nothing like a dedicated ...
10-1-2015 at 21:50
by: feacetech
New to forum - Help testing boiler water
some of the other all in one treatment suggest that if treatment reserves are low, slowly adding sma ...
10-1-2015 at 15:05
by: feacetech
New to forum - Help testing boiler water
dish wash powder has caustic
10-1-2015 at 00:45
by: feacetech
New to forum - Help testing boiler water
do the pH test first its most likely a pH indicator

off the top of my head im not sure what level ...
9-1-2015 at 18:15
by: feacetech
New to forum - Help testing boiler water
you could get the sulphite as well for good measure

Just be aware it will lift TDS in the form of ...
9-1-2015 at 18:11
by: feacetech
[Next Page]

  Go To Top