QUANTOFIX Tin  *TEST PROCEDURE IS INTRICATE, PRODUCT NOT RECOMMENDED FOR USE BY NON CHEMIST* REQUEST TEST PROCEDURE PRIOR TO ORDERING. *Addition reagents are required to perform this test, they are not included with this item*  #91309

QUANTOFIX Tin *TEST PROCEDURE IS INTRICATE, PRODUCT NOT RECOMMENDED FOR USE BY NON CHEMIST* REQUEST TEST PROCEDURE PRIOR TO ORDERING. *Addition reagents are required to perform this test, they are not included with this item*


Item#: 91309

Price: $44.00


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Pack Size: box of 100 strips
Hazard Class /UN Number: Not Restricted
Storage Temp: Room Temperature

Test sticks for the semi-quantitative determination of tin(II)-ions in solutions
Gradation of scale: 0-10-25-50-100-250-500 mg/l Sn 2+ white to dark blue
Tetravalent tin has to be reduced. To do this, add 0.5 ml hydrochloric acid 37 % and some magnesium turnings to 5 ml of the test solution and heat to boiling temperature. Hexacyano-ferrates interfere > 10 mg/l (yellow-brown colour) and must be decomposed by evaporation with sulphuric acid 96 %. *TEST PROCEDURE IS INTRICATE, PRODUCT NOT RECOMMENDED FOR USE BY NON CHEMIST* REQUEST TEST PROCEDURE PRIOR TO ORDERING Instruction Sheet

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