指标名称

指标

ZnO-X

ZnO-X23

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

金属锌(以Zn计)/%                         ≤

Metal zinc (calculated with Zn)/ %       ≤

无

无

氧化铅(以PbO计)/%                        ≤

Lead oxide (calculated with PbO) /%      ≤

0.037

0.06

锰(以Mn计)/%                             ≤

Manganese (calculated with Mn) /%        ≤

0.0002

—

氧化铜（以CuO计)/%                       ≤

Copper oxide (calculated with CuO) /%    ≤

—

—

氧化镉（以CdO计）/%                      ≤

Cadmium oxide (calculated with CdO) /%   ≤

0.0001

0.0001

盐酸不溶物/%                              ≤

Hydrochloric acid insoluble matter/%     ≤

0.08

0.09

灼烧失量/%                                ≤

Burnt loss/%                             ≤

0.4

0.5

筛余物(45μm 湿筛) /%                     ≤

Screening residues(45μm wet sieve)/%     ≤

0.2

0.2

水溶物/%                                  ≤

Soluble matter in water/%                ≤

0.35

0.4

105℃挥发物/%                             ≤

Volatile matter at 105℃/%               ≤

0.4

0.4