Topic: [出讓]pH Test Papers英國貨$20/100張(最後200張) |
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Posted by: trendyctx Posted on: 2010-03-01 16:43 http://www.johnsontestpapers.com/ Universal Indicator Paper pH1-11 and pH1-14 Universal Indicator is one of the most widely used test papers in education, laboratory and chemical manufacturing. They provide an accurate and quick method of measuring the pH of a solution. These products supplied with a colour chart and available as books of 20 strips, loose strips and as a 5 metre continuous reel. 英國貨,$20/100張, 最後200張, 元朗、天水圍或西鐵沿線交收, 亦可郵寄(包平郵), 有意pm留電及地址。 如郵寄: 本人信用評級很高, 請放心。 http://hk.user.auctions.yahoo.com/hk/show/rating?userID=trendyctx&rr=1111593662/, 但亦要自行承擔寄失風險。 | |
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