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DISSOLVED OXYGEN. CHEMéís.....disposable ampoules containing in- digo carmine reagent under vacuum. Break the tip in the sample for instant colorime...
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Your $ 5 0 0 0 Chromatograph

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METALLOGRAPHY » FRACTOGRAPHY » FAILURE ANALYSIS

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DISSOLVED O X Y G E N CHEMëîs disposable ampoules containing indigo carmine reagent under vacuum. Break the tip in the sample for instant colorimetric D. 0 . analysis. Use in the lab or in the field. Available in ranges: 0-5, 0-10, 0-15 ppm O2 Box of 12 CHEMëîs (specify range) $6.50

we ve just published our CATALOG

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MASS S P E C T R O M E T R Y ANALYSIS Thin films-solid state materials. BulX and trace analysis ot all solid materials. Concentration gradients of diffused Impurities. Resolution 6000. Sensitivity t o parts per billion. GCA Technology Division, division of GCA Corporation, Bedford, Mass., Tel. (617) 275-9000. Attn: Director of Marketing

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S T O H ANALYSIS

WATER/INDUSTRIAL WASTE Atomic Absorption • Optical Emission • X-Ray Dif­ fraction • Chemical Techniques • rapid turn around time ALPHA METALS, INC/ANALYTICAL DIVISION 56 Water St., Jersey City, N.J. 07304 · (201) 434 6778

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I'lease request Cat. EJ-71. and flyer for shift reagents. Name Company Address City State Zip