BAODI ECONOMIC DEVELOPMENT ZONE (THE FORMER INDUSTRIAL PARK OF TIANBAO), Tianjin, Tianjin
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详情
Sodium sulfide
red flake: 1.Na2S:*0% Min 2.Na2CO3:5.0% Max 3.Water Insoluble:0.4%
Max 4.Fe:0.*5% Max Sodium sulfide
Yellow Flake: 1.Na2S:*0% Min 2.Na2CO3:2.0% Max 3.Water
insoluble:0.*5% Max 4.Fe:0.**3% Max SpecificationITEMSTANDARD ISTANDARD
IISTANDARD
IIISTANDARD
IVSTANDARD VFe*0ppm max*0ppm max*0ppm max**0ppm max***0ppm
maxNa2S*2%min.*2%min.*0%min.*0%min.*0%min.Water
insolubles0.*0%max.0.*8%max.0.*8%max.0.*0%max.0.*0%max.Na2CO31.*0%max.1.*0%max.1.*0%max.3.*0%max.5.*0%max.Na2SO31.*0%max.1.*0%max.2.*0%max.2.*0%max.2.*0%max.Na2S2O32.*0%max.2.*0%max.2.*0%max.2.*0%max.2.*0%max.ColourYellow
