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Hengar Boiling Granules
For Prevention of "Bumping" in Boiling Liquids
In any laboratory
procedure involving the boiling of a liquid, inert and insoluble Hengar
Granules effectively prevent superheating with its attendant dangerous
explosive vaporization commonly known as “bumping.”
A few Hengar Granules
in any boiling liquid permit a steady copious stream of bubbles to escape
without this spasmodic splatter. Evaporation or distillation proceeds
quietly and smoothly. Sharper fractions result. Flask breakage is reduced
and watching time is minimized. Froth is spread out evenly and does not
climb the neck of the flask. Especially useful in boiling soap solutions
and evaporating ethereal extracts of fat. With Hengar Granules in the
vessel, any gases formed are extracted from the liquid quickly and completely.
Insoluble, Hengar Granules
cannot contaminate the liquid. They remain at the bottom of the
flask or beaker, permitting the liquid to be readily poured off.
After use, the granules are simply discarded.
Hengar Granules
are also available with a pure selenium coating, for use in the
Kjeldahl digestion and distillation method of organic nitrogen determination.
Hengar
Granules, Plain
High
purity, white, amphoteric alundum granule. Extremely hard porous surface.
Will not crumble or “powder”. Four mesh granule size.
Specific gravity 3.97. |
MSDS Sheet |
Catalog Number |
Quantity/
Pkg. |
List Price |
Buy Now |
| |
901600 (136
A) |
100
Gram |
$21.00 |
|
901700 (136
B) |
250
Gram |
$31.00 |
|
901800 (136
C) |
500
Gram |
$44.00 |
|
901900 (136
D) |
10
Kilogram |
$514.00 |
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Hengar
Granules, Plain Micro
High
purity, white amphoteric alundum granule. Extremely hard porous
surface. Will not crumble or “powder”. Ten mesh
granule size. Specific gravity 3.97. |
MSDS Sheet |
Catalog Number |
Quantity/
Pkg. |
List Price |
Buy Now |
| |
903700 (136
AA) |
100
Gram |
$40.00 |
|
903800 (136
CC) |
500
Gram |
$81.00 |
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Hengar
Selenized Granules
High
purity, amphoteric alundum, specially treated with selenium
for use in determination of amino and cyanide nitrogen. Four
mesh granule size, iridescent bluish black color. Selenium as
a solid is relatively nontoxic. Its vapor or fumes are highly
toxic. TLV 0.2 mg/cubic meter. Specific gravity 4.10. |
MSDS Sheet |
Catalog Number |
Quantity/
Pkg. |
List Price |
Buy Now |
| |
901100 (132
A) |
100
Gram |
$54.00 |
|
901200 (132
B) |
250
Gram |
$88.00 |
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901300 (132
C) |
500
Gram |
$164.00 |
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Hengar
Selenized Granules, Micro
High
purity, amphoteric alundum, specially treated with selenium
for use in determination of amino and cyanide nitrogen. Ten
mesh granule size, iridescent bluish black color. Specific gravity
4.10. |
MSDS Sheet |
Catalog Number |
Quantity/
Pkg. |
List Price |
Buy Now |
| |
901400 (132
AA) |
100
Gram |
$61.00 |
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901500 (132
CC) |
500
Gram |
$198.00 |
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Hengar
Carboundum #12 Granules
Hard,
bluish black, iridescent silicon carbide granule. No reduction
characteristics. Oxidizes slowly at 1472 °F.
Twelve mesh granule size. Specific gravity 3.20. |
MSDS Sheet |
Catalog Number |
Quantity/
Pkg. |
List Price |
Buy Now |
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902000 (133
A) |
100
Gram |
$41.00 |
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902100 (133
B) |
500
Gram |
$78.00 |
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Aitch-Tu-Ess
An economical way
to produce hydrogen sulfide gas for use in qualitative analysis and the
general chemistry laboratory.
Aitch-Tu-Ess
is a dry mixture of sulfur, a highly condensed hydrocarbon, and an inert
dispersal agent. The sulfur and the hydrocarbon are combined in the proportion
most conducive to maximum yield of H2S gas, while the inert dispersal
agent serves to support the reactants.
This material, when
heated, produces H2S gas which is highly toxic. Heating and all experiments
should be conducted under a fume hood. The threshold limit value of H2S
is 10 parts per million or 15 milligrams per cubic meter.
Directions
for use are supplied with each package.
| AITCH-TU-ESS |
MSDS Sheet |
Catalog Number |
Quantity/
Pkg. |
List Price |
Buy Now |
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903400 (310-A)
|
1
Kilo Box |
$79.00 |
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903500 (330-A)
|
1-Dox. 5Gm. Cartridges (packed 1 Doz./box) |
$36.00 |
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903600 (330-B)
|
1-Gross 5Gm. Cartridges (packed 1 Doz./box) |
$212.00 |
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Hummingbird Help
Troemner, an ISO 9001 registered company, is the manufacturer of Talboys laboratory equipment. Many of our products are UL, cUL, and CE marked for safety and quality. |
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