Figure 2From: X-ray photoelectron and infrared spectroscopies of quartz samples of contrasting toxicityFTIR spectrum of Min-U-Sil 5 crystalline quartz. The IR spectrum of Min-U-Sil 5 is shown, collected using an ATR attachment combined with a DTGS detector. The O-H stretching region centred around 3500 cm-1 is shown on an appropriate scale. No evidence of a significant absorption band can be seen in this region.Back to article page