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pH Calibration Buffers

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pH Calibration Buffers

The pH buffers are essential for routine pH meter calibration to capture accurate pH range of acid or base. Ready-to-use prepared solutions eliminate the time, expense, and contamination risks of mixing buffers. pH buffers can be used to identify weak acid, conjugate base, strong acid, blood pH etc. With colored and colorless pH buffer options available, researchers can efficiently select the correct indicating solution for any test. Powder pillows and sachets permit laboratories to store the concentrated substances for longer time periods without being affected.


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Description:   BUFFER REFERENCE STANDARD PH 7.38 500ML
Catalog Number: RC1563-16
Supplier: Ricca Chemical


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MSDS SDS Certificate Certificates    
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Description:   pH 8.00 (ñ0.01 @ 25øC), No Color, Specpure*, NIST Traceable.Liquid,CAUTION: May be harmful if swallowed,500ml,1L.
Catalog Number: AA42420-K2
Supplier: Thermo Scientific Chemicals



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MSDS SDS Certificate Certificates    
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Description:   pH 4.00 (ñ0.01 @ 25øC), Colored Red, Specpure*, NIST Traceable.Liquid,CAUTION: May be harmful if swallowed,500ml,1L.
Catalog Number: AA38713-AP
Supplier: Thermo Scientific Chemicals



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MSDS SDS Certificate Certificates    
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Description:   Reference standard, pH 10.00 +-0.01 at 25[degree]C. Meets USP requirements. Compared against and certified traceable to NIST Standard Reference Materials. Temperature - pH reference chart on label. Cubitainer. 4L
Catalog Number: RC1600-1CT
Supplier: Ricca Chemical


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MSDS SDS Certificate Certificates    
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Description:   BUFFER REFERENCE STANDARD PH 2.00 500ML
Catalog Number: 75832-314
Supplier: Ricca Chemical



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MSDS SDS Certificate Certificates    
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Description:   . Yellow in color.
Catalog Number: SXPH-BUFF7-500
Supplier: SPEX CERTIPREP LLC



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Description:   Reference standard, pH 9.00 +-0.01 at 25[degree]C. Meets USP requirements. Compared against and certified traceable to NIST Standard Reference Materials. Temperature - pH reference chart available with certificate of analysis. Poly Bottle. 1L
Catalog Number: RC1590-32
Supplier: Ricca Chemical


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MSDS SDS Certificate Certificates    
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Description:   Reference standard, pH 7.00 +-0.01 at 25[degree]C. Meets USP requirements. Color coded green. Compared against and certified traceable to NIST Standard Reference Materials. Temperature - pH reference chart on label. Cubitainer. 10L
Catalog Number: RC1551.4-2.5
Supplier: Ricca Chemical


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MSDS SDS Certificate Certificates    
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Description:   pH 2.00 (ñ0.01 @ 25øC), No Color, Specpure*, NIST Traceable.Liquid,CAUTION: May be harmful if swallowed,500ml,1L.
Catalog Number: AA40447-AP
Supplier: Thermo Scientific Chemicals



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MSDS SDS Certificate Certificates    
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Catalog Number: 34175-485
Supplier: Micro Essential



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Description:   Reference standard, pH 1.68 +-0.01 at 25[degree]C. Meets USP requirements. Compared against and certified traceable to NIST Standard Reference Materials. Poly Bottle. 4L
Catalog Number: RC1492-1
Supplier: Ricca Chemical


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MSDS SDS Certificate Certificates    
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Description:   BUFFER SOLUTION PH 10.00 4L
Catalog Number: BT222065-4L
Supplier: BeanTown Chemical



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MSDS SDS    
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Catalog Number: TS61106-0040
Supplier: Thermo Scientific Chemicals



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Description:   BUFFER SOLUTION PH 7.00 YELLOW 1L
Catalog Number: BT127620-1L
Supplier: BeanTown Chemical



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MSDS SDS    
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Description:   pH 7.00 (ñ0.01 @ 25øC), No Color, Specpure*, NIST Traceable.Liquid,CAUTION: May be harmful if swallowed,500ml,1L.
Catalog Number: AA38712-AP
Supplier: Thermo Scientific Chemicals



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MSDS SDS Certificate Certificates    
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Description:   Reference standard, pH 4.00 +-0.01 at 25[degree]C. Meets USP requirements. Compared against and certified traceable to NIST Standard Reference Materials. Temperature - pH reference chart on label. Cubitainer. 20L
Catalog Number: RC15005
Supplier: Ricca Chemical


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MSDS SDS Certificate Certificates    
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Description:   Reference standard, pH 7.00 +-0.01 at 25[degree]C. Meets USP requirements. Compared against and certified traceable to NIST Standard Reference Materials. Temperature - pH reference chart on label. Cubitainer. 20L
Catalog Number: RC15505
Supplier: Ricca Chemical


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MSDS SDS Certificate Certificates    
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Description:   Buffer Solution, pH 4.01; color: red, 500 mL Bottles, traceable to NIST standard reference materials, Ideal for laboratory and field analysis, If unopened, shelf life is 2 years
Catalog Number: 76325-294
Supplier: Argos Technologies



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Description:   BUFFER SOLUTION PH 8.00 4L
Catalog Number: BT144755-4L
Supplier: BeanTown Chemical



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MSDS SDS    
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Description:   BUFFER REFERENCE STD PH 2.00 +/- 0.01
Catalog Number: RCR149300020PK
Supplier: Ricca Chemical



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MSDS SDS Certificate Certificates    
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Description:   PH 2 CERTIFIED BUFFER STANDARD 500 ML
Catalog Number: SXPH-BUFF2-500
Supplier: SPEX CERTIPREP LLC



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Description:   Buffer solution, pH 4.0 (20 deg C), With fungicide, citric acid / sodium hydroxide / sodium chloride solution, traceable to SRM from NIST, color: colourless, Form: liquid, Container type: Poly Bottle, Size: 1L
Catalog Number: BJ33643-1L
Supplier: Honeywell Research Chemicals



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MSDS SDS    
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Description:   pH 7.00 (ñ0.01 @ 25øC), No Color, Specpure*, NIST Traceable.Liquid,CAUTION: May be harmful if swallowed,500ml,1L.
Catalog Number: AA38712-K2
Supplier: Thermo Scientific Chemicals



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MSDS SDS Certificate Certificates    
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Description:   pH 1.00 (ñ0.01 @ 25øC), No Color, Specpure*, NIST Traceable.Liquid,CAUTION: May be harmful if swallowed,500ml,1L.
Catalog Number: AA40446-K2
Supplier: Thermo Scientific Chemicals



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MSDS SDS Certificate Certificates    
Vendor Image
Description:   pH 9.54 (ñ0.01 @ 25øC), No Color, Specpure*, NIST Traceable.Liquid,CAUTION: May be harmful if swallowed,500ml,1L.
Catalog Number: AA42423-AP
Supplier: Thermo Scientific Chemicals



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MSDS SDS Certificate Certificates    
Vendor Image
Description:   Buffer concentrate, Grade: Analytical, CAS Number: 7446-20-0, Buffer concentrate pH 7.00, for 500 ml buffer solution , potassium dihydrogen phosphate / disodium hydrogen phosphate, Mixture, Molar mass: 100.46 g/mol, Container Type: Ampoule
Catalog Number: BJ38746-1EA
Supplier: Honeywell Research Chemicals



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MSDS SDS    
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Description:   Buffer solution, pH 10.0 (20 deg C), borax / sodium hydroxide, color: Violet, Form: liquid, Container type: Poly Bottle, Size: 1L
Catalog Number: BJ33668-1L
Supplier: Honeywell Research Chemicals



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MSDS SDS    
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Description:   BUFFER REFERENCE STANDARD PH 11 CUBE 20L
Catalog Number: RCR1610000-20F
Supplier: Ricca Chemical



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Description:   Buffer Pack; 10 x 500 mL of each pH 4.01, 7.00, and 10.01, traceable to NIST standard reference materials, If unopened, shelf life is 2 years, Color coded: red/yello/blue, Store buffers away from direct sunlight.
Catalog Number: 76325-400
Supplier: Argos Technologies



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Description:   BUFFER REFERENCE STANDARD PH 1 CUBE 20L
Catalog Number: RCR1489000-20F
Supplier: Ricca Chemical



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Description:   BUFFER REFERENCE STANDARD PH 6 CUBE 10L
Catalog Number: RCR1510000-10F
Supplier: Ricca Chemical



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Description:   Buffer solution, pH 5.00, citric acid / sodium hydroxide / sodium chloride solution, color: colourless, Form: liquid, Container type: Ampoule, Size: 500ML
Catalog Number: BJ38744-1EA
Supplier: Honeywell Research Chemicals



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MSDS SDS    
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Description:   Buffer solution, pH 10.0 (20 deg C), borax / sodium hydroxide, color: colourless, Form: liquid, Container type: Poly Bottle, Size: 1L
Catalog Number: BJ33649-1L
Supplier: Honeywell Research Chemicals



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MSDS SDS    
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Description:   Buffer solution, pH 3.00, citric acid / sodium hydroxide / sodium chloride solution, color: colourless, Form: liquid, Container type: Ampoule, Size: 500ML
Catalog Number: BJ38742-1EA
Supplier: Honeywell Research Chemicals



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MSDS SDS    
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Description:   BUFFER SOLUTION PH 4.00 500ML
Catalog Number: BT220935-500ML
Supplier: BeanTown Chemical



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MSDS SDS    
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Description:   BUFFER SOLUTION PH 2.00 1L
Catalog Number: BT144730-1L
Supplier: BeanTown Chemical



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MSDS SDS    
Vendor Image
Description:   BUFFER SOLUTION PH 4.01 4L
Catalog Number: BT127650-4L
Supplier: BeanTown Chemical



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MSDS SDS    
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Catalog Number: TS61104-0040
Supplier: Thermo Scientific Chemicals



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Description:   Reference standard, pH 2.00 +-0.01 at 25[degree]C. Meets USP requirements. Compared against and certified traceable to NIST Standard Reference Materials. Temperature - pH reference chart available with certificate of analysis. Cubitainer. 20L (5gal)
Catalog Number: RC1493-5
Supplier: Ricca Chemical


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MSDS SDS Certificate Certificates    
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Description:   Buffer solution, pH 9.0 (20 deg C), borax / hydrochloric acid, traceable to SRM from NIST, color: colourless, Form: liquid, Container type: Poly Bottle, Size: 1L
Catalog Number: BJ33648-1L
Supplier: Honeywell Research Chemicals



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MSDS SDS    
Vendor Image
Description:   BUFFER REFERENCE STANDARD PH 5 CUBE 10L
Catalog Number: RCR1505000-10F
Supplier: Ricca Chemical



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Vendor Image
Description:   Buffer solution, pH 4.0 (20 deg C), citric acid / sodium hydroxide / sodium chloride solution, with fungicide, color: red, Form: liquid, Container type: Poly Bottle, Size: 500ML
Catalog Number: BJ33665-500ML
Supplier: Honeywell Research Chemicals



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MSDS SDS Certificate Certificates    
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Description:   BUFFER REFERENCE STD PH12 POLY BOTTLE 4L
Catalog Number: RCR1615000-4A
Supplier: Ricca Chemical



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Vendor Image
Description:   BUFFER REFERENCE STANDRD PH6.86 CUBE 10L
Catalog Number: RCR1540000-10F
Supplier: Ricca Chemical



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Vendor Image
Description:   Buffer solution, pH 11.0 (20 deg C), boric acid / sodium hydroxide solution / potassium chloride, color: colourless, Form: liquid, Container type: Poly Bottle, Size: 500ML
Catalog Number: BJ33650-500ML
Supplier: Honeywell Research Chemicals



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MSDS SDS Certificate Certificates    
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Description:   Reference standard, pH 7.00 +-0.01 at 25[degree]C. Meets USP requirements. Color coded yellow. Compared against and certified traceable to NIST Standard Reference Materials. Temperature - pH reference chart on label. Cubitainer. 20L
Catalog Number: RC1551-5
Supplier: Ricca Chemical


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MSDS SDS Certificate Certificates    
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Description:   Reference standard, pH 7.00 +-0.01 at 25[degree]C. Meets USP requirements. Compared against and certified traceable to NIST Standard Reference Materials. Temperature - pH reference chart on label. Poly Bottle. 500mL
Catalog Number: RC155016
Supplier: Ricca Chemical


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MSDS SDS Certificate Certificates    
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Description:   Reference standard, pH 2.00 +-0.01 at 25[degree]C. Meets USP requirements. Compared against and certified traceable to NIST Standard Reference Materials. Temperature - pH reference chart available with certificate of analysis. Poly Bottle. 500mL
Catalog Number: RC1493-16
Supplier: Ricca Chemical


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MSDS SDS Certificate Certificates    
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Description:   Reference standard, pH 13.00 +-0.01 at 25[degree]C. Meets USP requirements. Compared against and certified traceable to NIST Standard Reference Materials. Plastic Bottle. 500mL
Catalog Number: RC1625-16
Supplier: Ricca Chemical


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MSDS SDS Certificate Certificates    
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Description:   Reference standard, pH 9.00 +-0.01 at 25[degree]C. Meets USP requirements. Compared against and certified traceable to NIST Standard Reference Materials. Temperature - pH reference chart available with certificate of analysis. Poly Bottle. 500mL
Catalog Number: RC1590-16
Supplier: Ricca Chemical


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MSDS SDS Certificate Certificates    
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Description:   Certified reference material ph buffer standards, traceable* yellow color, 16 oz bottle, 7.000, accuracy is +/- 0.010 at 25c, iso 17025 and iso 34traceable to nist
Catalog Number: 10769-112
Supplier: Argos Technologies



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MSDS SDS    
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Catalog Number: 470019-680
Supplier: Argos Technologies



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Description:   pH 7.00 (ñ0.01 @ 25øC), Colored Green, Specpure*, NIST Traceable.Liquid,CAUTION: May be harmful if swallowed,500ml,1L.
Catalog Number: AA38711-K2
Supplier: Thermo Scientific Chemicals



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MSDS SDS Certificate Certificates    
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Description:   Reference standard, pH 2.00 +-0.01 at 25[degree]C. Meets USP requirements. Compared against and certified traceable to NIST Standard Reference Materials. Temperature - pH reference chart available with certificate of analysis. Poly Bottle. 4L
Catalog Number: RC1493-1
Supplier: Ricca Chemical


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MSDS SDS Certificate Certificates    
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Description:   Reference standard, pH 4.00 +-0.01 at 25[degree]C. Meets USP requirements. Compared against and certified traceable to NIST Standard Reference Materials. Temperature - pH reference chart on label. Poly Bottle. 1L
Catalog Number: RC150032
Supplier: Ricca Chemical


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MSDS SDS Certificate Certificates    
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Description:   BUFFER REF STD PH 13 +/-0.01 AT 25C 1L
Catalog Number: RC1625-32
Supplier: Ricca Chemical


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MSDS SDS Certificate Certificates    
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Description:   Reference standard, pH 8.00 +-0.01 at 25[degree]C. Meets USP requirements. Compared against and certified traceable to NIST Standard Reference Materials. Temperature - pH reference chart available with certificate of analysis. Poly Bottle. 1L
Catalog Number: RC158032
Supplier: Ricca Chemical


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MSDS SDS Certificate Certificates    
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Catalog Number: 23202-823
Supplier: YSI



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MSDS SDS    
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Description:   Buffer Solution, pH 4.01; Colo: rRed, Size: 1000ml, traceable to NIST standard reference materials, Ideal for laboratory and field analysis, If unopened, shelf life is 2 years
Catalog Number: 76325-314
Supplier: Argos Technologies



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Product Image
Description:   Reference standard, pH 8.00 +-0.01 at 25[degree]C. Meets USP requirements. Compared against and certified traceable to NIST Standard Reference Materials. Temperature - pH reference chart available with certificate of analysis. Cubitainer. 20L
Catalog Number: RC1580-5
Supplier: Ricca Chemical


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MSDS SDS Certificate Certificates    
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Description:   BUFFER REF STD PH 12 +/-0.01 AT 25C 1L
Catalog Number: RC1615-32
Supplier: Ricca Chemical


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MSDS SDS Certificate Certificates    
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Description:   Reference standard, pH 7.00 +-0.01 at 25[degree]C. Meets USP requirements. Color coded green. Compared against and certified traceable to NIST Standard Reference Materials. Temperature - pH reference chart on label. Poly Bottle. 4L
Catalog Number: RC1551.4-1
Supplier: Ricca Chemical


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MSDS SDS Certificate Certificates    
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Description:   60mL bottle. Automatic identifying colorant for solutions-tints neutrals Green, acids Orange-Red, and basics Blue. Dispensing bottle permits controlled dropwise addition to buffer solution. Three drops of preservative imparts color to 100ml solution.
Catalog Number: 60785-007
Supplier: Micro Essential



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Description:   pH value: 6.8. For quick preparation of fresh solutions of known pH values. Capsule contents dissolve in 100mL of distilled water, giving a clear solution accurate to +-0.02pH unit. The dry powder remains stable. Each vial contains 10 capsules.
Catalog Number: 34175-231
Supplier: Micro Essential



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