四草酸钾水溶液|N#A91840|Supelco|pH 1.68 (25癈) Certipur|500 ml N#A91840
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缓冲液|N#A912800|Supelco|(di-sodium hydrogen phosphate/potassium dihydrogen phosphate), colour:yellowtraceable to SRM from NIST and PTB pH 7.00 (25癈) Certipur®|500 mL N#A912800
Supelco-M#1.99057.0500 | 500 mL
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缓冲液|N#A912799|Supelco|(boric acid/potassium chloride/sodium hydroxide) colour coded: blue, traceable to NIST and PTB pH 10.00 (25癈) Certipur®|500 mL N#A912799
Supelco-M#1.99050.0500 | 500 mL
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缓冲液|Buffer solution pH 7.00 (20 GRAD C) Certipur®|N#A7769|Supelco|pH 7.00 (20癈)|4l Buffer solution pH 7.00 (20 GRAD C) Certipur®
Supelco-M#1.09477.4000 | 4l
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缓冲液|Buffer solution pH 7.00 (20 GRAD C) Certipur®|N#A7769|Supelco|pH 7.00 (20癈)|500ml Buffer solution pH 7.00 (20 GRAD C) Certipur®
Supelco-M#1.09477.0500 | 500ml
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四草酸氢钾pH标准缓冲溶液(pH=1.68)
BW02364 | 500mL
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（四硼酸钠），可追溯至 NIST 和 PTB 的 SRM pH 9.18 (25°C) Certipur|N#A3050|Supelco|30ml*30ml N#A3050
Supelco-M#1.99019.0001 | 30ml*30ml
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缓冲液|N#A4633|Supelco|(di-sodium hydrogen phosphate/potassium dihydrogen phosphate), traceable to SRM from NIST and PTB pH 7.00 (20癈) Certipur|1L N#A4633
Supelco-M#1.09439.1000 | 1L
- 四草酸钾水溶液
- 常温
- 密封阴凉干燥保存
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