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
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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
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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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四草酸钾水溶液|N#A91840|Supelco|pH 1.68 (25癈) Certipur|500 ml N#A91840
Supelco-M#1.99015.0500 | 500 ml
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缓冲液|(boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 9.00 (20°C) Certipur|N#A7977|Supelco|1l (boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 9.00 (20°C) Certipur
Supelco-M#1.09461.1000 | 1l
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pH缓冲液 4.00|N#A912160|Supelco|500ml N#A912160
Supelco-M#1.09445.0500 | 500ml
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pH缓冲液 Buffer solution pH=7,00 (25 ℃, yellow-coloured, potassium dihydrogen phosphate/disodium hydrogen phosphate
BW-36233 | 500mL
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pH 7.00 at 20 C coloured Potassium Dihydrogen Phosphate/di- Sodium Hydrogen Phosphate
ZCA-PH007.L5 | 500ml
- 缓冲液
- 常温
- 密封阴凉干燥保存
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