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DIP THE TERMINAL WITHIN 7mm FORM THE EDGE INTO FLUX FOR 5 TO 10 SECONDS THEN ADJUSTING THE SOLDERING TEMPERATURE TO 230±0.5℃,WIPE THE SOLDERING DREGS AND BURNED FLUX FROM THE MELTED SOLDER,NEXT DIP THE TERMINAL 5mm FROM THE EDGE ,DIP TIME 3±0.5SECONDS.
将端子前端7MM处浸入溶剂中5-10秒，并调整焊锡温度到230±5℃，然后溶解溶剂，使溶液完全燃烧，再拭去端子上的溶剂残渣，再将端子前端5MM处浸入溶剂3±0.5秒，然后拿出使其自然冷却25.4秒±6.4秒后，再将溶剂洗去，经上述步骤后，导线需符合下列情形
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Transfer the filtrate to a tared beaker, evaporate to dryness without charring, dry at 105 for 1 hour, cool in a desiccator, and weigh: the difference between the weight of the residue and the weight obtained from a blank determination does not exceed 12.5 mg (0.25%).
将滤液转入已称重的烧杯，105°下干燥1小时，在不烧焦的前提下使其蒸发至干，在干燥器中冷却，称重。测得的残渣重量与空白测定中得到的残渣重量之差不超过12.5 mg (0.25%)。
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trub：冷却残渣
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