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浓缩缓冲液 for 500 ml buffer solution, (citrate/hydrochloric acid), traceable to SRM
Buffer concentrate (citrate/hydrochloric acid), traceable to SRM of NIST and PTB for 500 ml buffer
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浓缩缓冲液 for 500 ml buffer solution, (citrate/hydrochloric acid), traceable to SRM
Buffer concentrate (citrate/hydrochloric acid), traceable to SRM of NIST and PTB for 500 ml buffer
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to SRM of NIST and PTB for 500 ml buffer solution, pH 12.00 ± 0.05 (20°C) Titrisol®
Buffer concentrate (phosphate/sodium hydroxide), traceable to SRM of NIST and PTB for 500 ml buffer
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浓缩缓冲液 for 500 ml buffer solution, (borate/hydrochloric acid), traceable to SRM
Buffer concentrate (borate/hydrochloric acid), traceable to SRM of NIST and PTB for 500 ml buffer
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浓缩缓冲液 for 500 ml buffer solution, (citrate/sodium hydroxide), traceable to SRM
Buffer concentrate (citrate/sodium hydroxide), traceable to SRM of NIST and PTB for 500 ml buffer
-
浓缩缓冲液 for 500 ml buffer solution, (citrate/sodium hydroxide), traceable to SRM
Buffer concentrate (citrate/sodium hydroxide), traceable to SRM of NIST and PTB for 500 ml buffer
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缓冲液 (boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 10.00 (25°C) CertiPUR®
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缓冲液 (boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 9.00 (25°C) CertiPUR®
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缓冲液 (boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 10.00 (25°C) CertiPUR®
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缓冲液 (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 2.00 (20°C) CertiPUR®
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