指标名称

指标

ZnO-X

ZnO-X2

ZnO-T1

ZoN-T2

ZnO-T3

颜色(与标准样比)

Colour (comparing with the standard sample)

符合标样

氧化锌(以干品计)/%                        ≥

Zinc oxide(calculated with dry product)/% ≥

99.5

99.0

99.5

99.0

98.0

金属锌(以Zn计)/%                         ≤

Metal zinc (calculated with Zn)/ %       ≤

无

无

无

—

—

氧化铅(以PbO计)/%                        ≤

Lead oxide (calculated with PbO) /%      ≤

0.12

0.20

—

—

—

锰(以Mn计)/%                             ≤

Manganese (calculated with Mn) /%        ≤

0.0002

—

—

—

—

氧化铜（以CuO计)/%                       ≤

Copper oxide (calculated with CuO) /%    ≤

0.006

—

—

—

—

氧化镉（以CdO计）/%                      ≤

Cadmium oxide (calculated with CdO) /%   ≤

0.02

0.05

—

—

—

盐酸不溶物/%                              ≤

Hydrochloric acid insoluble matter/%     ≤

0.03

0.04

—

—

—

灼烧失量/%                                ≤

Burnt loss/%                             ≤

0.4

0.6

0.4

0.6

—

筛余物(45μm 湿筛) /%                     ≤

Screening residues(45μm wet sieve)/%     ≤

0.28

0.32

0.28

0.28

0.35

水溶物/%                                  ≤

Soluble matter in water/%                ≤

0.4

0.6

0.4

0.6

0.8

105℃挥发物/%                             ≤

Volatile matter at 105℃/%               ≤

0.4

0.4

0.4

0.4

0.4

遮盖力/(g/m2)                              ≤

Masking power /(g/m2)                     ≤

—

—

150

150

150

吸油量g/100g                              ≤

Oil absorption g/100g                    ≤

 —

—

18

20

20

消色力/%                                  ≥

Reducing power/%                          ≥

—

—

100

95

95