the new PERMA H&fci&fe^i mSm, êowerful organic f^qmstering agents [or complete control of IRON
CALCIUM
MAGNESIUM metals!
and other troublesome
GET THE FULL STORY ON PERMA KLEERS — a n d t h e i r s u p e r i o r i t y over EDTA i n t e r m s o f effectiveness, a n d cost. Find o u t h o w P E R M A KLEER-80, f o r e x a m p l e , w i d e n s t h e scope of o r g a n i c s e q u e s t r a n t s , d u e to its c o m p a t a b i l i t y w i t h soaps, detergents, c h e m i c a l s a n d solvents—its efficiency u n d e r hot or cold, a c i d or a l k a l i conditions—its a b i l i t y to p r o v i d e g r e a t e r m e t a l chelation p e r p o u n d of s e q u e s t r a n t .
80 the all-purpose sequestering agent
SP specific for iron
W e a l s o m a n u f a c t u r e a c o m p l e t e l i n e of EDTA— in t h e n a m e of P E R M A KLEER-50 L I Q U I D PERMA
KLEER-50 T R I S O D I U M SALT
•
•
PERMA
KLEER-50
BEADS
P E R M A KLEER-50 D I S O D I U M SALT
PERMA KLEER-50 ACID ...wesuggest you send for our latest revised booklet explaining testing methods and comparisons.
OH
Â%M?m/
specific for iron in caustic
PRODUCTS
C O R R O R AT 1 O N
Manufacturing 624 SCHUYLER AVENUE TEXTILE DIVISION! REPRESENTATIVES
•
Chemists
LYNDHURST « NEW JERSEY INDUSTRIAL D I V I S I O N REPRESENTATIVES
New Engand: AMERICAN CHEMICAL & SOLVENT CO., 15 Westminster St., Providence 3, R.I. Southern: CAR3IC-M0SS CORP., 2511 Lucena Street, Charlotte 6, N. C. Mew Engand: AMERICAN CHEMICAL & SOLVENT CO., 15 Westminster St., Providence 3,R. I. Midwestern: UEBEL CHEMICAL CO., 410 N. Michigan Ava., Chicago 1 1 , Illinois Midwestern (Detroit Area): R. A. WILLIHNGANZ, 205 East Ann St., Ann Arbor, Michigan California: SIDNEY SPRINGER, 311 S . San Pedro St., Los Angeles 13, California Southwestern: RELIANCE CHEMICALS CORP., 2437V** University Blvd., Houston 5, Texas Mew York: CARBIC- MOSS CORP., 451-453 Washington St., N. Y. 13, N. Y. So. California: CHEMICAL-ADDITIVES CO., 3155 Leonis Boulevard, Vernon 58, California Canadian: RELIABLE CHEMICAL PRODUCTS CO., 85 Cannon St., W., Hamilton, Ontario No. California: WILLIAM C. LOUGHLIN & CO., 311 California St., San Francisco 4, Calif. Central Eastern: GEORGE H. RHODES, 713 West Ave.. Jenkintown, Pennsylvania European: CHEMITALIA COLORI . Corso Venezia, N. 56, Milano, Italy 2 1 0
C&EN
JAN.
16,
1956
