pyrazolone

1.The isonicotinic acid - pyrazolone light intensity method is currently applied to measure the prussiates in the water.

水氰化物的测定,目前采用异烟酸———吡唑啉光度法。

2.specialized in the manufacturing of the acetoacet anilide derivatives,pyrazolone derivatives,benzimidazole de-rivatives and other fine chemical products.

生产芳胺、吡唑骈咪唑类颜料体。