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Merck
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文件

1.05545

Supelco

Potassium hydroxide solution

47%, for analysis EMSURE®

别名:

KOH Solution 47%

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About This Item

分類程式碼代碼:
12352305
NACRES:
NA.21

product name

氢氧化钾溶液47%, for analysis EMSURE®

品質等級

產品線

EMSURE®

形狀

liquid

濃度

46.0-48.0% KOH

雜質

≤0.0001% As (Arsenic)
≤0.0003% Total nitrogen (N)
≤0.0005% Ca (Calcium)
≤0.0005% Cu (Copper)
≤0.0005% Fe (Iron)
≤0.0005% Heavy metals (as Pb)
≤0.0005% Mg (Magnesium)
≤0.0005% Ni (Nickel)
≤0.0005% Pb (Lead)
≤0.0005% Phosphate (PO4)
≤0.0005% Zn (Zinc)
≤0.001% Al (Aluminium)
≤0.002% Sulfate (SO4)
≤0.004% Chloride (Cl)
≤1.0% Carbonate (as K2CO3)

pH值

>13.5 (20 °C in H2O)

儲存溫度

2-30°C

分析報告

含量测定(酸量滴定法):46.0 - 48.0 %
碳酸盐(以K₂CO₃计): ≤ 1.0 %
氯化物(Cl): ≤ 0.004 %
磷酸盐(PO₄): ≤ 0.0005 %
硫酸盐(SO₄): ≤ 0.002 %
总氮(N): ≤ 0.0003 %
重金属(以铅计): ≤ 0.0005 %
Al(铝): ≤ 0.001 %
As(砷): ≤ 0.0001 %
Ca(钙): ≤ 0.0005 %
Cu(铜): ≤ 0.0005 %
Fe(铁): ≤ 0.0005 %
Mg(镁): ≤ 0.0005 %
Ni(镍): ≤ 0.0005 %
Pb(铅): ≤ 0.0005 %
Zn(锌): ≤ 0.0005 %

法律資訊

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

象形圖

CorrosionExclamation mark

訊號詞

Danger

危險聲明

危險分類

Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A

儲存類別代碼

8B - Non-combustible, corrosive hazardous materials

水污染物質分類(WGK)

WGK 1


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