样品测量：单样品自动测量，测量次数2、3、5、10、50次任意设定，测量结束给出平均值和标准偏差。

Measurement of sample: single sample automatic measuring, measuring the number of times 2, 3, 5, 10, 50 set, measured at the end gives the average value and standard deviation.

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涂料样品中高含量甲醛的回收率平均值为98.5%，低含量甲醛的回收率平均值为87.9%。

The experiments also show that the mean recoveries for high and low levels of formaldehyde in coatings are 98.5% and 87.9%, respectively.

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为检验分析数据的可靠性，同时对研制单位提供的两种质控样品进行了分析，测量结果的平均值与给出值吻合很好，相对误差小于3％。

Two certificated reference samples are used for verification of the analysis. The analytical results are in agreement with the recommended values, and the relative error is less than 3%.

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