| 摘要 |
One aspect of the present invention is directed to a solid chemical tablet (11) in a shape comprising an elongated cylindrical side surface (40, 130) and an elongated flat side surface (30) or an elongated concave cut side surface (140). Another aspect of the present invention is directed to a solid chemical tablet (11) comprising a blend of hydrated calcium hypochlorite with magnesium sulfate heptahydrate. This invention further relates to a solid chemical tablet (11) comprising a blend of solid calcium.hypochlorite, and one or more solid alkali metal phosphate.
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