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General Chemicals

We provide affordable reagent-grade chemicals for laboratories and other technical uses. Browse our selection of ACS grade and research grade chemicals.

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  1. pH-Fix 3.1-8.3, 100 Strips / Pack

    Macherey-Nagel, Inc.

    $12.80

    Special Price $12.48

    Pack Size: box of 100 strips Hazard Class /UN Number: Not Restricted Storage Temp: Room Temperature Non-bleeding indicator strips. Learn More
  2. pH-Fix 1.7-3.8, 100 Strips / Pack

    Macherey-Nagel, Inc.

    $12.80

    Special Price $12.48

    Pack Size: box of 100 strips Hazard Class /UN Number: Not Restricted Storage Temp: Room Temperature Non-bleeding indicator strips. Gradation of scale: 1.7 - 2.0 - 2.3 - 2.6 - 2.9 - 3.2 - 3.5 - 3.8 Learn More
  3. pH-Fix 4.0-7.0, 100 Strips / Pack

    Macherey-Nagel, Inc.

    $12.80

    Special Price $12.48

    Pack Size: box of 100 strips Hazard Class /UN Number: Not Restricted Storage Temp: Room Temperature Non-bleeding indicator strips. Gradation of scale: 4.0 - 4.4 - 4.7 - 5.0 - 5.3 - 5.5 - 6.1 - 6.5 - 7.0 Learn More
  4. Sulphide test paper 5 Meter Reel, EA/1

    Macherey-Nagel, Inc.

    $14.80

    Special Price $14.40

    Pack Size: box of 200 strips Hazard Class /UN Number: 3316 Storage Temp: Room Temperature (mercury bromide paper)This test paper is used for the determination of arsenic or arsine. It is based on the fact that arsine forms a coloured co-ordination compound with mercury compounds. The test paper is exposed to AsH 3 , liberated with zinc/hydrochloric acid, by holding the paper either over the test tube or over the end of a gas exhaust tube.Colour reaction: white « brown-black. The colour reaction is faster, when the paper is first moistened before being used to test for AsH 3 in air.Limit of sensitivity: 0.5 micrograms As Recommended application: determination of arsenic in grape must and wine, determination of arsine in air. In the latter case the test paper should first be moistened with acetic anhydride. This product needs additional reagents. NOT SOLD TO INDIVIDUALS. Please contact us for more information. Instruction Sheet *See Ref 91334 or 91332 for alternitive, semi-quantitative test. Arsenic test paper *This item is hazardous and cannot ship Parcel Post. It is required to ship UPS Ground. Learn More
  5. pH-Fix 0.0-6.0, 100 Strips / Pack

    Macherey-Nagel, Inc.

    $12.80

    Special Price $12.48

    Pack Size: box of 100 strips Hazard Class /UN Number: Not Restricted Storage Temp: Room Temperature Non-bleeding indicator strips. Gradation of scale: 0 - 0.5 - 1.0 - 1.5 - 2.0 - 2.5 - 3.0 - 3.5 - 4.0 - 4.5 - 5.0 - 5.5 - 6.0 Learn More
  6. pH-Fix 7.9-9.8, 100 Strips / Pack

    Macherey-Nagel, Inc.

    $12.80

    Special Price $12.48

    Pack Size: box of 100 strips Hazard Class /UN Number: Not Restricted Storage Temp: Room Temperature Non-bleeding indicator strips. Gradation of scale: 7.9 - 8.3 - 8.6 - 8.9 - 9.1 - 9.4 - 9.8 Learn More
  7. pH-Fix 7.5-9.5, 100 Strips / Pack

    Macherey-Nagel, Inc.

    $12.80

    Special Price $12.48

    Pack Size: box of 100 strips Hazard Class /UN Number: Not Restricted Storage Temp: Room Temperature Non-bleeding indicator strips. Gradation of scale: 7.5 - 7.9 - 8.2 - 8.4 - 8.6 - 8.8 - 9.1 - 9.5 Learn More
  8. Potassium iodate starch paper, EA/5 meter length

    Macherey-Nagel, Inc.

    $14.90

    Special Price $14.55

    Pack Size: roll of 5 meter length Hazard Class /UN Number: Not Restricted Storage Temp: Room Temperature. Potassium iodate starch paper (this paper is to determine the presence of reducing agents. For oxidizing agents see 90754 or 90758) Potassium iodate starch paper is a filter paper impregnated with potassium iodate (KIO 3 ) and starch, which is used for the detection of sulphurous acid (H 2 SO 3 ) and alkali sulphites. Learn More
  9. pH-Fix 5.1-7.2, 100 Strips / Pack

    Macherey-Nagel, Inc.

    $12.80

    Special Price $12.48

    Pack Size: box of 100 strips Hazard Class /UN Number: Not Restricted Storage Temp: Room Temperature Non-bleeding indicator strips. Gradation of scale: 5.1 - 5.4 - 5.7 - 6.0 - 6.3 - 6.6 - 6.9 - 7.2 Learn More
  10. pH-Fix 0.3-2.3, 100 Strips / Pack

    Macherey-Nagel, Inc.

    $12.80

    Special Price $12.48

    Pack Size: box of 100 strips Hazard Class /UN Number: Not Restricted Storage Temp: Room Temperature Non-bleeding indicator strips. Gradation of scale: 0.3 - 0.7 - 1.0 - 1.3 - 1.6 - 1.9 - 2.3 Learn More
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