Milk Powder was made to a stable emulsion using emulsifier OP. The emulsion was injected into the air acetylene flame. The standard addition method was used to determine zinc.

用乳化剂OP将奶粉乳化成稳定的乳浊液，喷入空气-乙炔火焰中，以标准加入法测定锌。

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Cholride ions in acid copper plating bath were determined by nephelometry with op emulsifier as stabilizer.

利用比浊法，以OP乳化剂作为稳定剂测定酸性镀铜液中的氯离子。

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Selection of emulsifier, background absorption interference, selection of blank solution and the detection limit were studied. The benzene solutions of samples were emulsified with emulsifier OP.

对乳化剂的选择、背景吸收干扰、空白溶液的选择及检出限进行了考察。

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