Filters

FiltersShowing 145–180 of 509 results

ACS Grade Lab Fine Chemicals

Salicylic Acid Crystal Reagent ACS

S1005-125GM
$188

Test Specification Min Max ASSAY (C[@7@]H[@6@]O[@3@]) 99.00% MELTING POINT 158 161.0 C RESIDUE AFTER IGNITION 0.01% CHLORIDE (Cl) 0.00% SULFATES (SO[@4@]) 0.00% HEAVY METALS (as Pb) 5 ppm IRON (Fe)...

Size:
Qty:
prices from $188

Toluene Spectrophotometric Grade ACS

SP179-500ML
$244

Test Specification Min Max ASSAY 99.50% ULTRAVIOLET ABSORBANCE (1 cm cell vs. water) TO PASS TEST TO PASS TEST COLOR (APHA) 10 RESIDUE AFTER EVAPORATION 0.00% SUBSTANCES DARKENED BY (H[@2@]SO[@4@])...

Size:
Qty:
prices from $244

Sodium Sulfide Nonahydrate Crystal Reagent ACS

S1465-25GM
$181

Test Specification Min Max ASSAY (Na[@2@]S[-9H[@2@]O) 98.00% AMMONIUM (NH[@4@]) 0.01% SULFITE AND THIOSULFATE (as SO[@4@]) 0.10% IRON (Fe) TO PASS TEST TO PASS TEST

Size:
Qty:
prices from $181

Lithium Chloride Reagent ACS

L1110-25GM
$155

Test Specification Min Max ASSAY (LiCl) 99% INSOLUBLE MATTER 0.01% TITRATABLE BASE 0.008 meq/ LOSS ON DRYING @ 105 C 1.00% NITRATE (NO[@3@]) 0.00% SULFATES (SO[@4@]) 0.01% BARIUM 0.00% HEAVY...

Size:
Qty:
prices from $155

Hydroxylamine Sulfate Reagent ACS

H2357-25GM
$262

Test Specification Min Max ASSAY 99.00% 99.00% RESIDUE AFTER IGNITION 0.05% CHLORIDE (Cl) 0.00% HEAVY METALS (as Pb) 5 ppm COPPER (Cu) 5 ppm IRON (Fe) 5 ppm

Size:
Qty:
prices from $262

Hydrofluoric Acid 48 Percent Suitable for Electronic Use Reagent ACS

H1045-500ML
$279

Test Specification Min Max ASSAY (HF) 48.0 - 51.0 % 48.0 - 51.0 % ASSAY (HF) 48.0 - 51.0 % 48.0 - 51.0 % ASSAY (HF) 48.0 - 51.0 %...

Size:
Qty:
prices from $279

Hydrazine Sulfate Crystal Reagent ACS

H1018-25GM
$279

Test Specification Min Max ASSAY [(NH[@2@])[@2@][-H[@2@]SO[@4@]] 99.00% 99.00% INSOLUBLE MATTER 0.01% RESIDUE AFTER IGNITION 0.05% CHLORIDE (Cl) 0.01% HEAVY METALS (as Pb) 0.00% IRON (Fe) 0.00%

Size:
Qty:
prices from $279

Eriochrome Black T Reagent ACS

ER110-25GM
$298

Test Specification Min Max CLARITY OF SOLUTION TO PASS TEST TO PASS TEST SUITABILITY AS COMPLEXOMETRIC INDICATOR TO PASS TEST TO PASS TEST

Size:
Qty:
prices from $298

Eosin Y Reagent ACS

E1295-1KG
$133

Test Specification Min Max CLARITY OF AQUEOUS SOLUTION TO PASS TEST TO PASS TEST SUITABILITY AS ADSORPTION INDICATOR TO PASS TEST TO PASS TEST

Size:
Qty:
prices from $133

Potassium Sodium Tartrate Tetrahydrate Crystal Reagent ACS

P1400-125GM
$194

Test Specification Min Max ASSAY (KNaC[@4@]H[@4@]O[@6@][-4H[@2@]O) 99.0 - 102.0 % 99.0 - 102.0 % pH OF A 5% SOLUTION @ 25[dC 6.0 - 8.5 6.0 - 8.5 INSOLUBLE MATTER 0.01%...

Size:
Qty:
prices from $194

Potassium Iodate Powder Reagent ACS

P1330-25GM
$306

Test Specification Min Max ASSAY (KIO[@3@]) 99.4 100.40% pH OF A 5% SOLUTION @ 25[dC 5 8 INSOLUBLE MATTER 0.01% CHLORIDE AND BROMIDE (as Cl) 0.01% IODIDE (I) 0.00% NITROGEN...

Size:
Qty:
prices from $306

Potassium Hydrogen Phthalate Acidimetric Standard Crystal Reagent Special ACS

P1190-5GM
$147

Test Specification Min Max ASSAY (C[@8@]H[@5@]O[@4@]K) 99.95 - 100.05 % 99.95 - 100.05 % ASSAY (C[@8@]H[@5@]O[@4@]K) 99.95 - 100.05 % 99.95 - 100.05 % ASSAY (C[@8@]H[@5@]O[@4@]K) 99.95 - 100.05 %...

Size:
Qty:
prices from $147

Boric Acid Crystal Reagent ACS

B1130-12KG
$164

Test Specification Min Max ASSAY (H[@3@]BO[@3@]) 99.50% INSOLUBLE IN METHANOL 0.01% NONVOLATILE IN METHANOL 0.05% CHLORIDE (Cl) 0.00% PHOSPHATE (PO[@4@]) 0.00% SULFATE 0.01% CALCIUM (Ca) 0.01% HEAVY METALS (as Pb)...

Size:
Qty:
prices from $164

Barium Chloride Dihydrate Crystal Reagent ACS

B1025-12KG
$216

Test Specification Min Max ASSAY 99.00% LOSS ON DRYING 14 16.00% pH OF A 5% SOLUTION @ 25[dC 5.2 8.2 INSOLUBLE MATTER 0.01% OXIDIZING SUBSTANCES (as NO[@3@]) 0.01% CALCIUM (Ca)...

Size:
Qty:
prices from $216

Ammonium Phosphate Monobasic Crystal Reagent ACS

A1235-100LB
$96

Test Specification Min Max ASSAY (NH[@4@]H[@2@]PO[@4@]) 98.00% 98.00% pH OF A 5% SOLUTION @ 25[dC 3.8 - 4.4 3.8 - 4.4 INSOLUBLE MATTER 0.01% CHLORIDE (Cl) 5 ppm NITRATE (NO[@3@])...

Size:
Qty:
prices from $96

Cyclohexanone Reagent ACS

C1462-1LT
$210

Test Specification Min Max ASSAY (by GC) 99.00% WATER 0.05% COLOR (APHA) 10 RESIDUE AFTER EVAPORATION 0.05%

Size:
Qty:
prices from $210

Cobalt Chloride Hexahydrate Crystal Reagent ACS

C1305-12KG
$156

Test Specification Min Max ASSAY (CoCl[@2@][-6H[@2@]O) 98.0-102.0 % 98.0-102.0 % INSOLUBLE MATTER 0.01% NITRATE (NO[@3@]) 0.01% SULFATE 0.01% CALCIUM (Ca) 0.01% COPPER (Cu) 0.00% IRON (Fe) 0.01% MAGNESIUM (Mg) 0.01%...

Size:
Qty:
prices from $156

Chloroplatinic Acid Hexahydrate Crystal Reagent ACS

C1230-1GM
$812

Test Specification Min Max ASSAY (Pt) 37.50% SOLUBILITY IN ALCOHOL TO PASS TEST TO PASS TEST ALKALIES AND OTHER SALTS (as SO[@4@]) 0.05% SUITABILITY FOR K DETERMINATIONS TO PASS TEST...

Size:
Qty:
prices from $812

Chromium Potassium Sulfate Dodecahydrate Crystal Reagent ACS

C1260-2.5KG
$782

Test Specification Min Max ASSAY [CrK(SO[@4@])[@2@][-12H[@2@]O] 98.0 - 102.0 % 98.0 - 102.0 % INSOLUBLE MATTER 0.01% CHLORIDE (Cl) 0.00% ALUMINUM 0.02% AMMONIUM (NH[@4@]) 0.01% HEAVY METALS (as Pb) 0.01%...

Size:
Qty:
prices from $782

Sodium Sulfite Reagent ACS

S1475-500GM
$164

Test Specification Min Max ASSAY (Na[@2@]SO[@3@]) 98.00% INSOLUBLE MATTER 0.01% FREE ACID TO PASS TEST TO PASS TEST TITRABLE FREE BASE 0.03 meq/g CHLORIDE (Cl) 0.02% HEAVY METALS (as Pb)...

Size:
Qty:
prices from $164

Dimethylglyoxime Reagent ACS

D1035-25GM
$248

Test Specification Min Max MELTING POINT Approx. 240�C Approx. 240�C SUITABILITY FOR NICKEL DETERMINATION TO PASS TEST TO PASS TEST INSOLUBLE IN ETHANOL 0.02% RESIDUE AFTER IGNITION 0.05%

Size:
Qty:
prices from $248

Picric Acid Crystal Reagent ACS

P1145-25GM
$528

Test Specification Min Max WATER 30% MELTING POINT (DRY) 121 - 123 C 121 - 123 C INSOLUBLE AND RESINOUS MATTER 0.01% INSOLUBLE IN TOLUENE 0.10% SULFATE 0.10% RETEST DATE...

Size:
Qty:
prices from $528

Calcium Carbonate Chelometric Standard Powder ACS

C1069-125GM
$312

Test Specification Min Max ASSAY (CaCO[@3@]) 99.95 - 100.05 % 99.95 - 100.05 % INSOLUBLE IN DILUTE HCl 0.01% CHLORIDE (Cl) 0.00% FLUORIDE 0.00% SULFATE 0.01% AMMONIUM (NH[@4@]) 0.00% BARIUM...

Size:
Qty:
prices from $312
Size:
Qty:
prices from $314
Size:
Qty:
prices from $298
Size:
Qty:
prices from $3,235
Size:
Qty:
prices from $628
Size:
Qty:
prices from $113

15-Diphenylcarbohydrazide Reagent ACS

D1063-25GM
$368

Test Specification Min Max MELTING POINT 173 - 176 C 173 - 176 C SOLUBILITY IN AQUEOUS ACETONE TO PASS TEST SENSITIVITY TO CHROMATE TO PASS TEST RESIDUE AFTER IGNITION...

Size:
Qty:
prices from $368

Ninhydrin Monohydrate Reagent ACS

N1171-5GM
$150

Test Specification Min Max IDENTIFICATION AND MELTING POINT TO PASS TEST TO PASS TEST SOLUBILITY TO PASS TEST TO PASS TEST SENSITIVITY TO AMINO ACIDS TO PASS TEST TO PASS...

Size:
Qty:
prices from $150
Size:
Qty:
prices from $418

Neutral Red Reagent ACS

N3445-10GM
$217

Test Specification Min Max CLARITY OF SOLUTION TO PASS TEST TO PASS TEST VISUAL TRANSITION INTERVALS pH 6.8 (red) to pH 6.8 (red) to

Size:
Qty:
prices from $217

Mercurous Chloride Powder Reagent ACS

M1200-25GM
$412

Test Specification Min Max ASSAY (Hg[@2@]Cl[@2@]) 99.50% RESIDUE AFTER REDUCTION 0.02% MERCURIC CHLORIDE (HgCl[@2@]) 0.01% SULFATES (SO[@4@]) 0.01%

Size:
Qty:
prices from $412
Size:
Qty:
prices from $113
Size:
Qty:
prices from $1,152

Lithium Metaborate Reagent ACS

L1118-25GM
$199

Test Specification Min Max ASSAY (LiBO[@2@]) 98.0-102.0 % 98.0-102.0 % BULK DENSITY 0.25 g/ml 0.25 g/ml INSOLUBLE MATTER 0.01% LOSS ON FUSION @ 950[dC 2.00% SILICON (Si) 0.01% ALUMINUM 0.00%...

Size:
Qty:
prices from $199

ACS Grade Lab Fine Chemicals