狠狠色丁香久久综合婷婷亚洲成人福利在线-欧美日韩在线观看免费-国产99久久久久久免费看-国产欧美在线一区二区三区-欧美精品一区二区三区免费观看-国内精品99亚洲免费高清

            您好, 歡迎來到化工儀器網(wǎng)

            | 注冊| 產(chǎn)品展廳| 收藏該商鋪

            15601682291

            business

            首頁   >>   供求商機(jī)

            pH Standard, IUPAC, pH4.005 at 25 °C
            • pH Standard, IUPAC, pH4.005 at 25 °C

            貨物所在地:上海上海市

            更新時間:2025-02-25 16:06:44

            瀏覽次數(shù):174

            在線詢價收藏產(chǎn)品

            ( 聯(lián)系我們,請說明是在 化工儀器網(wǎng) 上看到的信息,謝謝?。?/p>

            Each bottle (500 mL) is supplied with a COFRAC Verification Certificate and Certificate of Conformity and Traceability drawn up according to ISO31.

            Each bottle (500 mL) is supplied with a COFRAC Verification Certificate and Certificate of Conformity and Traceability drawn up according to ISO31.

            • Total Control of the traceability chain and calculated uncertainties
            • Direct traceability to primary standards and the reference method
            • The competence and integrity of a laboratory internationally recognized to be accredited for the measurement of pH and conductivity reference materials

              Total Control of the traceability chain and calculated uncertainties

              Direct traceability to primary standards and the reference method

              The competence and integrity of a laboratory internationally recognized to be accredited for the measurement of pH and conductivity reference materials

              Specifications

              Concentration:4.005 ± 0.010 pH bij 25 °C

              Description :traceable to IUPAC pH scale and NIST

              Footnote:¹Behalve pH 7,000 door ons geformuleerd in overeenstemming met NIST-, IUPAC- en DIN19266-specificaties van pH 6,865 en pH 7,413 ²Dansk Fundamental Metrologi A/S is geaccrediteerd voor pH-metingen door het Deense accrediteringsorgaan Danske Akkrediterings- og Metrologifond (DANAK) (nr. 255)

              NIST Traceable:yes

              Parameter:pH

              Platform :Buffer

              Quantity:500 mL

            會員登錄

            請輸入賬號

            請輸入密碼

            =

            請輸驗(yàn)證碼

            收藏該商鋪

            標(biāo)簽:
            保存成功

            (空格分隔,最多3個,單個標(biāo)簽最多10個字符)

            常用:

            提示

            您的留言已提交成功!我們將在第一時間回復(fù)您~
            在線留言

            會員登錄

            請輸入賬號

            請輸入密碼

            =

            請輸驗(yàn)證碼

            收藏該商鋪

            該信息已收藏!
            標(biāo)簽:
            保存成功

            (空格分隔,最多3個,單個標(biāo)簽最多10個字符)

            常用: