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浓缩缓冲液 for 500 ml buffer solution, (boric acid/potassium chloride/sodium hydroxide), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH 11.00 ± 0.05 (20°C) Titrisol®
PH缓冲液（pH 11.00±0.05）
磷酸盐缓冲液
pH缓冲溶液，pH 10.00±0.05 (20°C)，蓝色
缓冲液 (boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 9.00 (20°C) CertiPUR®
袋装pH标准缓冲液（粉剂）
缓冲液 traceable to SRM from NIST and PTB 10 x pH 4.01 (phthalate), 10 x pH 7.00 (phosphate), 10 pH 9.00 (borate) pH 4.01/pH 7.00/pH 9.00 (25°C) CertiPUR®
缓冲液 (potassium hydrogen phthalate), traceable to SRM from NIST and PTB pH 4.01 (25°C) CertiPUR®
缓冲锭 pH 7.2 for preparing buffer solution acc. to WEISE for staining of blood smears
缓冲剂 (Disodium hydrogen phosphate/Sodium hydroxide) traceable to SRM from NIST und PTB pH 12.00 (25°C) CertiPUR®
2850412321
