项目

单位

规格值

氟化铵

NH4F

wt %

39.6-40.2

氢氟酸

HF

wt %

0.2-0.3

氯化物Chloride

Cl

ppm

≤0.5

硝酸盐Nitrate

NO₃

ppm

≤0.1

磷酸盐Phosphate

PO₄

ppm

≤0.03

硫酸盐Sulfate

SO₄

ppm

≤0.1

色度  Color

APHA

黑曾

≤10

颗粒 Particles (＞0.2μm)

个/mL

Pcs /mL

≤200

银Silver

Ag

ppb

≤0.1

铝Aluminum

Al

ppb

≤0.1

砷Arsenic

As

ppb

≤0.1

金Gold

Au

ppb

≤0.1

硼Boron

B

ppb

≤0.1

钡Barium

Ba

ppb

≤0.1

铍Beryllium

Be

ppb

≤0.1

铋Bismuth

Bi

ppb

≤0.1

钙Calcium

Ca

ppb

≤0.1

镉Cadmium

Cd

ppb

≤0.1

钴Cobalt

Co

ppb

≤0.1

铬Chromium

Cr

ppb

≤0.1

铜Copper

Cu

ppb

≤0.1

铁Iron

Fe

ppb

≤0.1

镓Gallium

Ga

ppb

≤0.1

锗Germanium

Ge

ppb

≤0.1

钾Potassium

K

ppb

≤0.1

锂Lithium

Li

ppb

≤0.1

镁Magnesium

Mg

ppb

≤0.1

锰Manganese

Mn

ppb

≤0.1

钼Molybdenum

Mo

ppb

≤0.1

钠Sodium

Na

ppb

≤0.1

铌Niobium

Nb

ppb

≤0.1

镍Nickel

Ni

ppb

≤0.1

铅Lead

Pb

ppb

≤0.1

锑Antimony

Sb

ppb

≤0.1

锡Tin

Sn

ppb

≤0.1

锶Strontium

Sr

ppb

≤0.1

钽Tantalum

Ta

ppb

≤0.1

钛Titanium

Ti

ppb

≤0.1

铊Thallium

Tl

ppb

≤0.1

钒Vanadium

V

ppb

≤0.1

锌Zinc

Zn

ppb

≤0.1

锆Zirconium

Zr

ppb

≤0.1