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铅醋酸盐测试条之法
世有验铅之法，铅醋酸盐测试条为要。其用也，法简而效明。
取测试条，置欲验之物中，稍待片刻。观其色变，若条呈色，色之深浅，以明铅之多寡。色深则铅众，色浅则铅寡。
此法所以为妙者，便捷且速。无论于室中为验，或野外求之，皆可应手而得。不烦多器，不费多时，即知铅之有无、多寡。
使操之者，心细而意专，依其法行之，必可得实。于验铅之事，诚为良法也。
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+8615371019725
Yana Yang
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