Assertion: blasting cap's charge | /r/CapableOf | maintain at about 400 c.
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Source sentences:
text: For example, an excellent initiating charge consists of about 1.7 grains of the uncompressed crystalline material, containing 98.0 to 99.8% PbN6 and having an apparent density of 1.5 to 2.5 g. per cc., which is produced by the gradual addition over about seventy minutes of 500 cc. of sodium azide solution (containing 26.8 g. NaN3 per liter) to 575 cc. of lead nitrate solution (containing 13.3 grams of the salt per liter) maintained at about 400 C. and continuously agitated.