Potassium hydroxide

High quality potassium hydroxide ( ion membrane potassium hydroxide ) HG/T 3688-2000


1, Appearance : colorless transparent liquid or white sheet , strong base with strong corrosion, easily soluble in water.
2, Use : Battery industry, high-grade detergent and cosmetics , disproportionated rosin potassium soap and various kinds of sylvin, pharmaceutical intermediates, synthetic rubber , ABS resin and natural rubber emulsion, food additive etc..
3, Packing : Liquid: packed in tank wagon; sheet:40kg/bag or 25kg/bag.

Item

%

Index

Liquid

Sheet

Top quality

First quality

Content of potassium hydroxide(KOH) ≥

%

48

95.0

90.0

Content of (K 2 CO 3 ) ≤

%

0.055

0.5

0.5

Content of chloride(based on CI) ≤

%

0.0018

0.005

0.005

Iron(Fe) ≤

%

0.00032

0.0005

0.0005

Sulphate(based on SO 4 2- ) ≤

%

--

0.005

0.005

Nitrate and nitrite(based on N) ≤

%

--

0.0005

0.0005

Sodium(Na) ≤

%

--

0.8

0.8

Phosphate(based on PO 4 ) ≤

%

--

0.005

0.005

Silicate
(based on SiO 3 ) ≤

%

--

0.01

0.01

Aluminum(AL) ≤

%

--

0.002

0.002

Calcium(Ca) ≤

%

--

0.005

0.005

Nickel(Ni) ≤

%

--

0.0005

0.0005

Heavy metal(based on Pb) ≤

%

--

0.002

0.002

Note : (Na) content can be controlled on the clients' requirements.

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