Example: confidence
Nmam
Found 2 free book(s)
SILICA, Respirable Crystalline, by IR (KBr pellet) 7602
www.cdc.govNIOSH Manual of Analytical Methods (NMAM), Fifth Edition . 7. If samples were low-temperature ashed (Step 4.a.) and kaolinite is known to be present in the matrix of the collected samples, prepare at least five different KBr pellets containing 100 to 600 µg of kaolinite. Measure the absorbance at 800 cm-1-1(RCS) and at 915 cm (kaolinite).
NMAM 7908: NON-VOLATILE ACIDS(Sulfuric acid and …
www.cdc.govNIOSH Manual of Analytical Methods (NMAM), Fifth Edition NON-VOLATILE ACIDS (Sulfuric Acid and Phosphoric Acid): METHOD 7908, Issue 1, dated 20 May 2014 - Page 3 of 5 solution (0.27 M Na. 2 CO 3 0.03 M NaHCO 3), rinse material from the inside surfaces of the cassette into the vessel.