質量指標

Specification

QB2554-2002

BP-2004

FCC-1996

含量           ≥%

Content

97.0

99.0-100.5

99.0

酸度或碱度試驗

PH Value

Normal

According With

The Standard

Normal

砷（以As計）≤%

Arsenic(As As)

0.0005

—

0.0003

重金屬（以Pb計）    ≤%

Heavy Metals

(As Pb)

0.0001

0.0001

0.0005

碘化物或溴化物試驗

The Test Of

Iodide or Bromide

—

According With

The Standard

Normal

乾燥減重      ≤%

Loss

On Drying

1

1.0

1.0

鈉實驗

Sodium

Experiment

Negative

—

Negative

硫酸鹽        ≤%

Sulphate

—

0.03

—

鉛            ≤%

Lead

—

0.0001

—

鈉鹽          ≤%

Sodium Base

1.45 (NaCl)

0.1

—

鋇鹽

Barium

—

According With

The Standard

—

鐵鹽          ≤%

Iron

—

0.002

—

鎂鹽與碱土金屬      ≤%

Magnesium

And Alkaline- Earth Metal

—

0.02

—

外來水溶物    ≤%

Foreign Matter Soluble In Water

0.5

—

—

水不溶物      ≤%

Water Insolubles

0.05

—

—