Gas absorbent SODA LIME
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“SODA LIME” which conforms to JIS standards and has excellent gas absorption capacity.
SODA LIME is the calcium hydroxide based absorbent of carbon dioxide gas and other various acid gas.
It detoxicates various asid gas used in semiconductor manufacturing. This product conforms to Japanese Industrial Standards soda lime (reagent) K8603 and is guaranteed its excellence of gas absorption capacity. It ranges from super hard product to low water content product with various specification to for every use.
SODA LIME is the calcium hydroxide based absorbent of carbon dioxide gas and other various acid gas.
It detoxicates various asid gas used in semiconductor manufacturing. This product conforms to Japanese Industrial Standards soda lime (reagent) K8603 and is guaranteed its excellence of gas absorption capacity. It ranges from super hard product to low water content product with various specification to for every use.
We also handle medical carbon dioxide absorbents.
Specification of SODA LIME
Grain size, hardness, water content
(1) It can be adjusted various grain size.
(2) It is adjusted to suitable hardness not to powder against shock during handling and transport.
(3) Its water content is adjusted to react smoothly.
Uses of SODA LIME
(1) Detoxicating agent for semiconductor etching gas and cleaning gas
(2) Absorbent ofocarbon dioxide
(3) Detotoxicating agent of hydrogen fluoride, chlorine, hydrogen chloride, and other acid gas.
   2HF+Ca(OH)2 → CaF2+2H2O   2HCl+Ca(OH)2 → CaCl2+2H2O
Ability of SODA LIME
Absorption capacity of carbon dioxide (carbon gas)
(1) SODA LIME react with carbon dioxide to neutralize and absorb carbon oxide (carbon gas).
   At that time, the adequate existence of NaOH, KOH, and water promote its reaction well.
   CO2+Ca(OH)2 → CaCO3+H2O
   CO2+2NaOH → Na2CO3+H2O
   CO2+2KOH → K2CO3+H2O
(2)(2) The rate and duration of the reaction between SODA LIME and carbon oxide can be designed variously for each requirement.