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美國PYREX滴定管Class *2103-50 PYREX滴定管2103-100
2103 PYREX品牌，彩色刻度，*，Teflon Stopcock插頭
通過ASTM e - 287建立這些化管的容忍度，并根據(jù)ASTM e - 542進(jìn)行校準(zhǔn)。從精確的鉆孔管中小心地抽取提示，以確保適當(dāng)?shù)呐潘俣?。這個(gè)滴滴管有彩色的標(biāo)記，細(xì)的，鋒利的線和大的易于閱讀的數(shù)字。止旋塞筒有一個(gè)光滑的微拋光，以確保防漏性能。每一個(gè)滴滴管都有一個(gè)防塵罩。所有的尺寸都有一個(gè)2毫米的孔塞閥塞。
美國PYREX滴定管Class *2103-50 PYREX滴定管2103-100
2103 PYREX Brand, Colored Scale, Class A, Teflon Stopcock Plug
The capacity tolerance on these burets is established by ASTM E-287 and they are calibrated in accordance with ASTM E-542. Tips are carefully drawn from accurate bore tubing to insure proper drainage rates. This buret has colored markings, fine, sharp lines and large easy-to-read numbers. The stopcock barrel has a smooth micro-finish to assure leak-resistant performance. Each buret is supplied with a dust cover. All sizes are furnished with a 2 mm bore stopcock plug.
2103-50 PYREX滴定管2103-100
2103-50 PYREX滴定管2103-100
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