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SPEX CertiPrep pH Buffers are accurate and certified to ISO/IEC 17025:2005 and ISO 17034:2016 requirements. Buffers pH 2 through pH 12 are conveniently packaged in 500 mL bottles. Certified pH buffers are made using high purity starting materials and ASTM Type I Water, and are thoroughly analyzed for certified value and homogeneity. Buffers are accurate, premium grade for calibration and quality control checks.

Buffers / Conductivity - 16 Inorganic Standards

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Product Filter
  
  
Part # Product Name Conc. Matrix Volume Unit/Pk Price Add to Cart
5M Sodium Nitrate Buffer Solution 5 M H2O 500 mL 1 $ 127.00
10M Sodium Hydroxide Buffer Solution 10 M H2O 500 mL 1 $ 148.00
Low Level TISAB II Buffer Solution H2O 500 mL 1 $ 125.00
pH 10 Buffer Standard, 500 mL 10 SI Units H2O 500 mL 1 $ 34.00
pH 11 Buffer Standard, 500 mL 11 SI Units H2O 500 mL 1 $ 40.00
pH 12 Buffer Standard, 500 mL 12 SI Units H2O 500 mL 1 $ 40.00
pH 2 Buffer Standard, 500 mL 2 SI Units H2O 500 mL 1 $ 34.00
pH 3 Buffer Standard, 500 mL 3 SI Units H2O 500 mL 1 $ 34.00
pH 4 Buffer Standard, 500 mL 4 SI Units H2O 500 mL 1 $ 34.00
pH 5 Buffer Standard, 500 mL 5 SI Units H2O 500 mL 1 $ 34.00
pH 6 Buffer Standard, 500 mL 6 SI Units H2O 500 mL 1 $ 34.00
pH 7 Buffer Standard, 500 mL 7 SI Units H2O 500 mL 1 $ 34.00
pH 8 Buffer Standard, 500 mL 8 SI Units H2O 500 mL 1 $ 34.00
pH 9 Buffer Standard, 500 mL 9 SI Units H2O 500 mL 1 $ 34.00
Conductivity Standard 100 µmhos H2O 500 mL 1 $ 35.00
Conductivity Standard H2O 500 mL 1 $ 35.00

Product Filter

  
  
5M Sodium Nitrate Buffer Solution
Part # IS-BUF1-500
Concentration 5 M
Matrix H2O
Volume 500 mL
Unit/Pk 1
Price $ 127.00
Add to Cart
10M Sodium Hydroxide Buffer Solution
Part # IS-BUF2-500
Concentration 10 M
Matrix H2O
Volume 500 mL
Unit/Pk 1
Price $ 148.00
Add to Cart
Low Level TISAB II Buffer Solution
Part # IS-BUF3-500
Concentration
Matrix H2O
Volume 500 mL
Unit/Pk 1
Price $ 125.00
Add to Cart
pH 10 Buffer Standard, 500 mL
Part # PH-BUFF10-500
Concentration 10 SI Units
Matrix H2O
Volume 500 mL
Unit/Pk 1
Price $ 34.00
Add to Cart
pH 11 Buffer Standard, 500 mL
Part # PH-BUFF11-500
Concentration 11 SI Units
Matrix H2O
Volume 500 mL
Unit/Pk 1
Price $ 40.00
Add to Cart
pH 12 Buffer Standard, 500 mL
Part # PH-BUFF12-500
Concentration 12 SI Units
Matrix H2O
Volume 500 mL
Unit/Pk 1
Price $ 40.00
Add to Cart
pH 2 Buffer Standard, 500 mL
Part # PH-BUFF2-500
Concentration 2 SI Units
Matrix H2O
Volume 500 mL
Unit/Pk 1
Price $ 34.00
Add to Cart
pH 3 Buffer Standard, 500 mL
Part # PH-BUFF3-500
Concentration 3 SI Units
Matrix H2O
Volume 500 mL
Unit/Pk 1
Price $ 34.00
Add to Cart
pH 4 Buffer Standard, 500 mL
Part # PH-BUFF4-500
Concentration 4 SI Units
Matrix H2O
Volume 500 mL
Unit/Pk 1
Price $ 34.00
Add to Cart
pH 5 Buffer Standard, 500 mL
Part # PH-BUFF5-500
Concentration 5 SI Units
Matrix H2O
Volume 500 mL
Unit/Pk 1
Price $ 34.00
Add to Cart
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Save 15% when you enter promo code SPRING15-16
on your next online order of $100 or more

  • Promo code valid on Organic and Inorganic products.
  • Minimum order amount is $100
  • Must enter promo code SPRING15-16 when ordering.
  • Valid on direct, US orders only.
  • Not valid on Flux, Oil Standards and ERA QC Samples.

Not valid with any other promotions. One per customer. Offer expires 6/15/2016.