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
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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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pH 9.00 at 20 C Boric Acid/ Potassium Chloride/ Sodium Hydroxide
ZCA-PH109.L5 | 500ml
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pH 9.00 at 20 C Boric Acid/ Potassium Chloride/ Sodium Hydroxide
ZCA-PH109.1L | 1000ml
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pH 10.00 at 20 C Boric Acid/ Potassium Chloride/ Sodium Hydroxide
ZCA-PH110.L5 | 500ml
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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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认证二级缓冲液标准品|N#A4411|Supelco|potassium tetraoxalate dihydrate, directly traceable to primary SRM from NIST/PTB pH(S) = 1.67₉ (25°C) Certipur|箱(5*100ml) N#A4411
Supelco-M#1.07204.0105 | 箱(5*100ml)
- 缓冲液
- (boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 9.00 (20°C) Certipur
- 常温
- 密封阴凉干燥保存
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