主要参数：
|
分子式
|
KBr
|
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|
CAS NO
|
7758-02-3
|
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|
项目
|
溴相一级
|
溴相二级
|
医药级
|
|
含量
|
≥99.5%
|
≥99.5%
|
≥99.0%
|
|
水分
|
≤0.3%
|
≤0.3%
|
≤0.5%
|
|
氯化物
|
≤0.2%
|
≤0.2%
|
≤0.5%
|
|
溴酸盐
|
≤0.001%
|
≤0.003%
|
≤0.006%
|
|
溴化物
|
≤0.001%
|
≤0.006%
|
≤0.006%
|
|
硫酸盐
|
≤0.005%
|
≤0.005%
|
≤0.01%
|
|
PH值（5%）
|
5.0-7.5
|
5.5-7.5
|
5.5-7.5
|
|
砷
|
-
|
-
|
≤4ppm
|
|
铅
|
≤0.2ppm
|
≤4ppm
|
≤10ppm
|
|
铁
|
≤0.5ppm
|
≤4ppm
|
≤5ppm
|
|
铜
|
≤0.5ppm
|
≤1.0ppm
|
≤1.0ppm
|
|
钴
|
≤0.2ppm
|
≤0.5ppm
|
-
|
|
水溶液感光度
|
80-100（410mm）
|
85-100（410mm）
|
-
|
|
澄清度试验
|
合格
|
合格
|
-
|
|
氯
|
≤15.0ppm
|
-
|
-
|
|
水溶液密度
|
≤15.0ppm
|
-
|
-
|
|
包装
|
内衬塑料袋的纸板桶或编织袋25kg/袋、桶
|
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