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Potassium Chromate Granular Reagent ACS size:50 KG (IN 5% pH 5 BUFFER

SKU: 41589346526
4.5
USD175.00 USD195.00

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Description

(IN 5% pH 5 BUFFER IN 50% ETHANOL) 605 (388) NM 605 (388) NM VISUAL TRANSITION INTERVAL pH 2

Test Specification Min Max APPEARANCE LIGHT BROWN POWD LIGHT BROWN POWD MOISTURE 10% MICROBIAL LIMITS: TOTAL PLATE COUNT 120000/g YEAST AND MOLD 1500/g ESCHERICHIA COLI NEGATIVE SALMONELLA NEGATIVE

00% SOLUBLE STARCH TO PASS TEST TO PASS TEST RESIDUE ON IGNITION 0

50% SPECIFIC ROTATION -31

470 SULFATED ASH 0

Potassium Chromate Granular Reagent ACS size:50 KG (IN 5% pH 5 BUFFERTest Specification Min Max ASSAY (K[@2@]CrO[@4@]) 99. 00% pH OF A 5% SOLUTION @ 25[dC 8. 6 9. 8 8. 6 9. 8 INSOLUBLE MATTER 0. 01% CHLORIDE (Cl) 0. 01% SULFATES (SO[@4@]) 0. 03% CALCIUM (Ca) 0. 01% SODIUM (Na) 0. 02% RETEST DATE

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