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COD Standard Solution 200 mg/l in H₂O
COD Standard Solution
Buffer solutions traceable to SRM from NIST and PTB 10 x pH 4.01 (phthalate) 10 x pH 7.00 (phosphate) 10 x pH 10.00 (borate) pH 4.01/pH 7.00/pH 10.00(25°C) Certipur®
Buffer solutions traceable to NIST, traceable to PTB, pH 4.01 (25 °C, phthalate), pH 7.00 (25 °C, phosphate), pH 9.00(borate), Certipur®
Buffer solution traceable to SRM from NIST and PTB pH 1.00 (20°C) Certipur®
Buffer solution pH 6.88 (20 °C) Certipur«
Buffer solution pH 6.00 (20°C) Certipur
Buffer solution pH 5.00 (25 GRAD C) Certipur®
Buffer solution pH 4.00 (25 GRAD C) Certipur®
Buffer solution pH 2.00 (25 GRAD C) Certipur®
Buffer solution pH 10.00 (25°C) Certipur®
